Recommendations

Both has beautiful female lead that live end up sad and alone in palace.
Both historical
Both has jealous young king
True story.

Both were historical
Both female leads were Queen that was beautiful, kind, but….
Touching heart.
Young king, lack of confidence, palace politic, jealousy king

Both movies involve singing. The song touch the heart of many.
Powerful voice, song tell the story. Song touches hearts.
Historical movie

Suzy in both. She sang in both.
Both she grew up in poverty.
Her singing talent were reviewed, as well as her beauty.
Youth

Both young leads in the movie can sing, has unique and talented voice cord
They need the guidance and support
Both are true story.
Beautiful movies.
Unfortunate poor childhood background

Both female leads kick ass, got into police / detective
Investigation crime, lots of action, fight,
Serious movie with romance in it.
Intense thriller

Both movies involved a strong female lead that is a detective.
Two man one woman main leads.
Both are crime detective, investigation, action movies.
One has romance and more serious, the other one not

Both movie involve strong female leads and two male main leads.
Some romance.
Intense, one has some comedy the other one serious
Thriller, crime investigation, action, team work, mission

Both drama has a kick ass female detective
Both has romance
Both are intense, explosion, investigation, crime
Both leads are good looking couple

Both female lead travel back in time.
They have a lover in current time and an admirer in the past time.
Funny comedy
There is a water scene where the female lead floating in there on both

Both movies has love triangle
Both main female leads are detective.
Lots of action
Crime investigation, no dull moment

Both movie has a beautiful female detective.
Romance in both movies
Lots of action. Very intense
Strong female lead.

Both movie has a beautiful female lead that is a detective.
Intense, action movies.
One has love triangle, the other one does not
Full of action pack

Female detective on both
Intense, action, crime
Involve romance on both
Strong female lead, strong male lead as well

Nobleman Ryu's wedding is also a historical Korean BL
Nobleman Ryu's wedding also contains a ML that is a kpop idol