Pushed against a wall of debt and misfortune, Gang Chul (Yoo Ah In) joins a gang in order to make ends meet and pay his mother's medical bills. Gang Chul can put his morals aside for the sake of his mother's health, until he begins to fall for Soo Ji (Jung Yoo Mi), a girl who is in Busan alone on a trip. Can Soo Ji accept his lifestyle, or will Gang Chul have to choose between love and money?
