Mr. Socrates (2005)

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…

Kim Rae Won in both movies. He played role in gang, he also in the good side (police and politician). Lots of action fighting …

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

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.