Thirteen years ago, Chen’s adopted younger brother, Gang, ran away after a heated argument and never returned, leaving Chen in a state of depression. Chen later changed his name to Lucas and became a successful CEO. Nana, posing as Gang’s biological sister, manipulated Lucas’s guilt to convince him to get engaged to her. Unbeknownst to Lucas, Gang was taken in by a family of thieves after he ran away, and his next target for a heist is none other than Lucas and Nana’s new house. The story also features a love triangle between Lucas, Gang, and Gang’s new thieving brother, Crane.