
After spending a decade in prison, a hitman learns that he has a daughter and just wants a chance at a normal life. But his former mob boss wants him back at any cost, sending merciless assassins after him.

Oh Tae Sik, rather, Oh Gyeon Sik, who has been preparing to become a detective while working a different job, is a private establishment security guard who earns 880,000 won in Daechi-dong, Gangnam. Thanks to his dream of becoming...