Lee-hyung, who is ready to propose to his lover, gets into a severe car accident and gets left in a coma. Miraculously, he snaps out of unconsciousness but notices that he is in another person’s body with no memory of his former self. As he learns that he is capable of retrieving his consciousness in other people’s bodies, he sets out to solve problems of the people that he awakes in, such as remedying the relationship of a couple who is on the verge of a divorce or solving a teenage pregnancy of a high school couple. Will he gain his memory and body back? Will he salvage his relationship with his lover?