While on his way to propose to his girlfriend, songwriter Lee-hyung (CHA Tae-hyun) gets into a car accident and wakes up in a high school girl's body. Subsequently, he experiences the lives of a divorcee detective, perpetually single high school teacher, and a granny. Quirky high school student nicknamed Scully (KIM You-jung) figures out the mystery surrounding Lee-hyung's body snatching and decides to help him get back to his own body. Can Lee-hyung go back to living out his own life and propose to his lover?
