After experiencing multiple heartaches, a man who lives his life as a hopeless romantic seeks help from a well-known shaman. During their session, the shaman discloses that the root cause of his romantic troubles is his closest friend, Dohyun. To solve the problem, the shaman directs them to be bound by fate for an entire month, in hopes of improving Chang-ho's predicament. Can they endure sharing the same living space during this time?