Both movies are piano related.
Both movies you get to see piano from inside out.
The woodwork, the pieces, the sound….

If you like the main male lead in “My Name”, which many of you did. You should watch his other project like this one. This was his early project. He is versatile veteran actor in Korea

Both male lead supposing genius.
Lots of action, mystery and action
Good acting, fast pace korean drama.

Both young boy raised and trained by mob or gangster
They grown up tough and skillful to kill and carry on with mission
But they also realized how bad the person who raised them

A young kid were trained and raised by a mob.
As they grown up they were told to do some dirty work, mission to kill
However, they change and they want out, they realized right from wrong

Both male lead were taken away and raised by a man, to be hitman, to do the dirty work, to be gangster. They infiltrate to be a spy, but step into good side and turn against the man that raised them.

Both main lead got into the mob then join the good side become spy.
Lots of action, mystery, thriller
Both are older movie

Both male lead joined the mob
Lots of actions, some comedy,
Both are old movie.
The young male lead ended up on good side or bad side?

Both main male lead were raised by mob or gangster
After they grown up they were asked to do all the dirty work for the gangster
How they resurface, to get clean?

Both make lead were trained and grew up with terrible gangster.
What will they do after grew up?
Will they become bad gangster and kill people?
Will they have inner conscience?
Will they take revenge?

Both main lead were trained by gang leader.
They were both at their lowest point, after training, they were asked to be policemen, as a mold or spy…

Same male lead in this two historical Korean drama
Both drama he played the role of layman, and eventually started to have feeling with the princess