Secret Door

Secret Door (2014)

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Ratings: 7.8/10 from 450 users
Reviews: 3 users

Secret Door follows the conflict between King Yeong Jo and Crown Prince Sa Do in the longest reign in Joseon history, at 52 years. King Yeong Jo pursues strong royal authority, while Crown Prince Sa Do insists on equality for all.

  • Native title:

    비밀의 문
  • Also Known as:

    Bimilui Moon; Bimilui Mun;

Add Cast Show More Cast (35)Cast

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A Stalker's Guide to Kim Tae Hoon
A phenomenal actor who deserves the chance to shine in bigger roles! You may recognize him from Angry Mom, Fantastic or The Guardians.
A Stalker's Guide to Lee Je Hoon
Starring in one of the most popular dramas of 2016, Signal, Lee Je Hoon is a multi-talented actor who is known for his diverse roles.

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12 people found this review helpful
Other reviews by this user
Dec 13, 2014
  • Overall 8.5
  • Story 7.5
  • Acting/Cast 9.0
  • Music 8.0
  • Rewatch Value 1.0
I would have given this drama a higher score, but I got bored. I read the history of Prince Sado and the writer did a good job mixing the historical truths and rumors. I enjoyed the first 14 episodes the most, then they traded Kim Yoo Jung with Yoon So Hee and the story line also changed. It became more political and boring. I don't understand why they changed actresses when they read more basically dropped Ji Dam's story line. I get it if there had been more of a mature story line, because Kim Yoo Jung is only 15, but I didn't see anything that she couldn't have done believably. It was disappointing. The best part of the story line is that the king and prince are consistent through out. The ending was good, considering.

Han Seok Kyu is an excellent actor who made me hate and love King Yeong Jo equally. Above the boring politics story line is a father/son relationship that was volatile. The conflicted thoughts and emotions Seok Kyu portrayed was palpable. Lee Je Hoon is unexpectedly good as Prince Sado. He was strong, conflicted, sad and did what he needed to do to realize a world for the citizens to the very end. I wonder if he was happy even once in his entire life. I believed him and that is a tribute to his acting. I love Kim Yoo Jung. She is a wonderful actress that only seems to get better as time goes on. They shouldn't have replaced her. The other actors are good too, but for me it was all about the father/son relationship.

The music is appropriate.

I will never rewatch this.

If you favorite genre is Seaguk, then you will certainly love this drama
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18 people found this review helpful
Other reviews by this user
Dec 10, 2014
  • Overall 9.5
  • Story 9.5
  • Acting/Cast 10
  • Music 9.0
  • Rewatch Value 8.0
What a powerful and touching drama - I love Prince Sado now <3

Story: Based on the true story of King Yeongju & Prince Sado - a powerful display of rulers who think differently - The king cherishes power and authority over humanity and the Prince desires equality for everyone - from children of traitors, slaves, concubines and commoners. We see him come head to head with his father countless times - read more and I'd cheer him on every time. If you read the history of these two (which I recommend you don't) then you'll know it will be a bittersweet end. But even so, even if I did cry a bucket of tears, the end still left me hopeful of a better future to come ;)

Cast: Prince Sado (Lee Je Hoon) the son of King Yeongju (Han Seok Kyu) a honest and righteous prince with enduring principals - if he believed something was wrong he wouldn't ignore it - He has my respect for that, when some people would cave - he never did, he stood his ground even if he had to suffer immensely for it - he earned trust of his "followers" and the viewers <3 Plus he is handsome to boot^^ His eyes would captivate me when he'd speak - and the emotions displayed there were magical <3 King Yeongju a political terror if I may say so - he didn't blink if he killed someone or did wrong things - he fought tooth and nail with his son throughout the entire drama - he'd make me really mad most all the time and sometimes his discussions early on drove me up the wall - but the actor really did well in displaying his love/hate for his son. Seo Ji Dam (Kim Yoo Jung) I liked her while she lasted for 13 episodes (the older version I could care less about so I won't even mention her) she was great when she was Sado's sidekick and helped him out. When she's "older" she's just kind of there... Lady Hye Gyeong (Park Eun Bin) I didn't like her when the drama started but as time passed she grew on me and I could see the love she had for Sado (even though her love for power would sometimes speak louder). Shin Heung Bok (Seo Jun Yeong) he had a guest role when the drama started but he became the reason Sado & his father came head to head with each other - even though his time was short - he left a deep impact. The rest of the cast did a splendid job in their roles too ;)

Music: "Erase and Erase" by The One (my favorite) & ??? by Block B

Re-watch Value: 8/10 It's very political but really draws you in - so I will re-watch this again someday - even if only to see Lee Je Hoon (Prince Sado)'s eyes <3 I LOVED his deep dark eyes - they pulled me in every time ;D

I highly recommend anyone who likes historical or political dramas to check this one out - you won't regret it ;)
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Make a Recommendation More recs (1)Recommendations

Both dramas are highly political, both have leads who dream of a fairer world and besides, Han Seok Gyu plays amazing kings in both (I never thought I could see him in another king role because I thought it would never be as good as Se Jong, but guess what he's just as good as Young Jo or even better.) Both are equal in quality of story and development of characters and both dramas deal with factions that oppose each other. I just feel that if you liked one, you will like the other.
Recommended by suga_eomma
For my taste the throne is better because it's just 2 hours but more or less enough to understand this twisted son-father relationship but the throne it's about the same character "Sado" and how he was killed by his own father
Recommended by mikachan

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Comments (177)

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  • Reply
    KmjSsk Aug 1, 2017

    im about to start watching this...
    but honestly i hate saeguks(have watched some b4) , ill give it a go cuz of min jong oppa :/

  • Reply
    namopanik Feb 24, 2017 - edited

    Anyone knows a drama or a movie that deals with a subject of restrictions towards book copying and distribution? It starts interesting here, but somehow this plot was abandoned halfway.

    • Reply
      Maks Mar 18, 2017

      The manga/anime "Library wars" deals wth this theme

    • Reply
      namopanik Mar 18, 2017

      Thanks for a recommendation!

  • Reply
    SomyBee Jun 8, 2016

    one word: speechless ♥

  • Reply
    Meli Feb 13, 2016 - edited

    i think i'm going to watch this because of the female character, is there more romance?

    • Reply
      Lili Jan 9, 2017

      Hello! Did u watch it? Is there romance?

    • Reply
      namopanik Feb 24, 2017

      In case you still want to know the answer is: it's complicated. Romance isn't the main theme here. There was some tension and mutual attraction, but the younger actress was replaced in the middle, there was a time skip and the whole sublot was pretty much subdued. Still a great drama though!

    • Reply
      Lili Feb 24, 2017


    • Reply
      Meli Apr 12, 2017

      i don't watch it yet~ i will find my time to watch it... and tell you if you haven't watch it yet

  • Reply
    KatySarang_TGeyes Oct 16, 2015 - edited
    Reveal Spoiler »
  • Reply
    ELFfreak Sep 23, 2015

    If u want to contine the story, then I would recommend the drama "Yi San". It's about Crown prince Sado's death and how his son Yisan aka King Jeongjo take over the throne. :)

    Me, I'm super intrested in the korean history so, when I saw this I was like yeah. The drama are from 2008 but it's still the same story. I haven't watched it yet, but I plan to.


  • Reply
    Grace lander Apr 24, 2015 - edited

    I find this series boring.

  • Reply
    Cheer Apr 7, 2015 - edited

    The K-drama of 2014 for me!

    It took all the will in me to stop reading a book and finish this drama. I just lost all the drama mood at the time but thankfully, I was able to spend a whole day on this one and enjoyed it to the fullest.
    It's amazing how captivating this drama can get, all the political clashes and mesmerizing characterization got me tripping. I always loved politics in historical setting and man did Han Suk Kyu ahjussi did wonders with his king Yongjoo's character. I also like Lee Je Hoon's Sado; he's a pretty good actor.
    Amazing drama even when I was in 'go-to-hell-dramas' mood.

  • Reply
    rainecat Mar 16, 2015 - edited

    It's too bad that the drama changes about midway through...or so I've read from multiple sources The sets and costumes are beautiful. It boasts an amazing cast of talented actors. There would be some scenes where I'd be in awe of Han Seok Kyu. I'm just worried about spending more time watching if I'm just going to get stuck later on. Does it get that bad later? Or is it just a matter of opinion.

    • Reply
      ParkChohwa Jun 21, 2015

      it gets slower yes but not bad.. the heating arguments stay.. beautiful till the end

    • Reply
      rainecat Jun 24, 2015

      Thank you. :) I really do want to continue with. I'll make time to do that.

    • Reply
      ParkChohwa Jun 24, 2015

      and in the last episodes lower your expectation a bit ;)

    • Reply
      rainecat Jun 24, 2015

      haha Okay. I think I'll watch mainly for the acting. Thanks again. :))

    • Reply
      ParkChohwa Jun 24, 2015

      you won't have complaints regarding that ^^ Anytime

  • Reply
    Dana1004 Dec 27, 2014 - edited

    I want to watch the drama but please someone tell me a little spoiler: Who will the prince end up with? Without telling i won't watch...really...i just need to know because i can't take heart breaks T.T

    • Reply
      MinaVIP Jan 20, 2015

      You could check out The King's Face., it's still ongoing so we don't know if th min girl will end up with the main guy but romance is a subplot and they've kissed and all so I guess you'll get your dose of romance.

    • Reply
      Dana1004 Jan 21, 2015

      Okay thanks for recommendation! ^^ I will surely check it out!

    • Reply
      Sarah87 Mar 8, 2015

      You might like King's Daughter Su Baek Hyang, Seo Dong Yo, Gu Family Book and an historical chinese drama called Lan Ling Wang. They have enough romance ^^

    • Reply
      Dana1004 Mar 10, 2015

      I can't watch gu family book because of Suzy :/ Don't like her after BIG :///
      But anyway the King's daughter ends up happily ? ^^

    • Reply
      Sarah87 Mar 12, 2015
      Reveal Spoiler »
  • Reply
    Sarah87 Dec 16, 2014 - edited

    I really liked the dialogues and confrontations between father and son. I admire the idealistic and passionate Crown Prince who dreams of impossibile dreams, but I also understand the King's position and his realistic point of view. And this Crown Prince's idealism vs King's realism ''battle'' is exactly what I liked most about this drama.
    Ji dam's character was really useless, from the start to the end, I really don't understand the purpose of creating such character. Well, the screenwriter probably was going to add the romance story line, I'm glad she didn't do it. She also could make better use of some characters like the Crown Princess and Na Chul Joo, but it's okay. The Crown Prince and the King were enough for me.

    If you liked this one, I advise you to watch Tree With Deep Roots with Han Seok Kyu as King Sejong, the story line is more interesting than this one :)

  • Reply
    Dounie Dec 14, 2014

    The ending was just perfect , I couldn't ask for more <3

  • Reply
    KamZ Dec 12, 2014 - edited

    Now I know why KYJ was removed after the 14th or 16th ep. It wasn't because the storyline was turning mature. It was because the adult Ji Dam barely had few scenes in the remaining eps. It would have been a waste of KYJ's talent had she continued to be in the drama. So I am actually happy and relieved they decided to let KYJ go. Lol.

  • Reply
    dore430 Dec 12, 2014

    Powerful and moving historical fiction drama! Amazing story portrayed by excellent actors with superb writers and directors! It's one of those dramas that just come together to make you feel as if you weren't just watching, you were participating in every episode. The actors were so talented that they had the ability to draw me into the action. This is one drama that you Must See. I don't know how its ratings did in Korea; but one thing I know, those that watched it online around the world, truly have nothing to say but that it was amazing, awesome, excellent, etc....

  • Reply
    Liliino Dec 12, 2014 - edited

    This drama was amazing! For a Sageuk it was so hooking. Each episode is interesting and the cast is just brilliant. Han Seok Gyu as the king was wonderful, his acting is so great. I totally became a fan of Lee Je Hoon for his acting and looks. For the female character, Park Eun Bin was amazing, her character was complex and so interesting. I just didn't like the adult Ji dam. Overall this drama is the best historical drama I watched so far. I completely recommend it !


  • Country:

    South Korea
  • Type:

  • Episodes:

  • Aired:

    Sep 22, 2014 to Dec 9, 2014
  • Aired On:

    Monday, Tuesday
  • Network:

  • Duration:

    60 min.


  • Score:

    7.8 (scored by 450 users)
  • Ranked:

  • Popularity:


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