If you are into Korean Movies, these are the must watch.
Sympathy for Mr. Vengeance, Oldboy, Windstruck
Lady Vengeance , 200 Pounds Beauty, The Good the Bad the Weird, The Man from Nowhere, War of the Arrows
The Thieves, Cold Eyes, The Divine Move, Veteran, The Age of Shadows
The Villainess, A Bittersweet Life, Tazza: The High Rollers Villain and Widow, Nameless Gangster: Rules of the Time
The Suspect, Tazza: The Hidden Card, Memories of The Sword
The Wailing, Confidential Assignment,
The Host, I Saw the Devil, The Berlin File, Coin Locker Girl ,
A Violent Prosecutor, The King,
The Attorney, Inside Men, Asura, The Prison,
The Face Reader, The Treacherous, Master, Battleship Island,
Train To Busan, The Mayor, The Merciless