Hyun Ji is a 19-year-old wandering ghost. One day she meets an exorcist named Bong Pal. They team up to listen to and solve the problems of various ghosts so that they can rest peacefully.

Cha Jung-Han (Oh Ji-Ho) is a detective for a special investigation team. He is busy with investigating violent cases including drugs and gangs, but one day he takes in his niece Eun-Ae and struggles to raise her.