Korean action thriller directed by Choi Jae-hoon. Bang Ui-gang (Jang Hyuk) used to be a hitman. When his wife and her best friend plan a holiday together, she asks Ui-gang to look after her friend's 17-year-old stepdaughter Kim Yoon-ji (Anne). When Yoon-ji is targeted by traffickers, Ui-gang reacts violently to save her. Later, the other teenagers with her are found dead and Ui-gang is suspected of murder. Determined to protect Yoon-ji and unravel the conspiracy, he begins to investigate the traffickers.