Recommendations

They are both by the same author. In both movies there is one very smart profiler and a girl/woman who is also very good in finding the culprit. In both movies there is a person who uses hypnosis.

They are both about the love for music with elements of a school setting. Also the female falls in love with the male first in both dramas.

Both movies are set under the authoritarian regime of Chun Doo Hwan. The Attorney is about a tax lawyer who defends the case of students who have been arrested and tortured on fabricated charges. 1987 is about the June Democratic Uprising that happened when the truth regarding the death and torture of Park Jong Chul came to light.

Both are about establishing great things for the common good: one about an accurate Joseon map, the other about an easy writting system. Both matters are presented as life and death and treated passionately.

Both plots talk about learn to live together after getting married, how to handle a married relationship, discovering about how we can improve for love.
Both talking about two lovers who are oppposite caractere, both show wife deeply in love of her husband.
Great chemistry in both drama/ lakorn.

Same actors (Lee Bo Young).. with law, detective, full mystery background sound intetesting..

Their story is similar.. with heartbreaking story.. but in this drama you'll watch more character with diferent romance..

Both are about searches about there first love and the fight to search for the truth and there first love dissapearence

They basically have the same plot but just have a different timeline and conclusion. Also, Love Contractutally is a bit more sad.
-Both have main women who just want a baby
-Uses the man to get his sperm, not to be in a relationship
-Women find a relationship to be troublesome(given up on love)

Both have similar exciting and full of action movie . Main characters suddenly caught up in the crime. The storyline between the mother/father and the son is strong and balances the crazyness. Both were an entertaining movie to watch with family.

Same pace of action, good acting and a fine film about the dangers of tabloid and digital rumor-spreading. Nice entertainment and concept was catching. Both movie is thrilling.

both are revenge melodramas where the male leads are good people but because of events that ruin their lives they set out to get revenge and justice.. and both attempt to manipulate the female lead to exact their revenge but instead end up falling in love with her ..

both are revenge melodramas where the guy despite his attempt to manipulate the female lead to exact his revenge rather ends up falling in love with her ..

In a way, the protagonist from Godhand Teru is kind of similar to the protagonist from Mustssu: Mieru Me. They both can detect symptoms from the littlest signs. Godhand Teru has more to do with operations/medical and Mustsu: Mieru Me has to do with crime/detective.

Both dramas have a similar with how they portray those "time skips". Both deal with a detective who has a connection to the future. In Signal via a transponder, with Tunnel via a Tunnel. Both are crime/investigation kdramas.
Both male leads have had once a love interest who was played by the same actress.