Timid loner Oh Jo-mi succeeds in an out-of-body experience that started as a joke. While wandering around, she arrives at her school and ends up witnessing the secret of her crush, Do-yoon...! Before the shock even fades, she realizes she is trapped in the school. Desperately needing help, someone finally discovers her—it's her classmate, Goo Su-ji, a girl obsessed with money. Can Jo-mi get her body and her love life back? A chaotic project to reclaim her body featuring Su-ji, who moves only for money, and Jo-mi, who has no one else but her!