He'll stop at nothing to save her
Commitment (Hangul: 동창생; hanja: 同窓生; RR: Dong-chang-saeng; lit. "Alumnus" or "The Graduate") is a 2013 South Korean spy thriller film starring Choi Seunghyun (also known as T.O.P from the K-pop boyband BIGBANG).
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The son of a North Korean spy decides to follow in his father's footsteps to protect his little sister.