A story between Yang Si Ohn (So Yi Hyun), a woman who is able to see spirits after waking up from a 6-year long coma and Cha Gun Woo (Taecyeon),a man who only believes in solid evidence. The two detectives come to understand each other as they try to help the spirits attached to objects at a lost-and-found center rest in peace.
This drama will feature a love triangle between spirits and humans. Si Ohn′s dead boyfriend Lee Hyung Joon (Kim Jae Wook)will appear as a spirit, perfecting the supernatural romance with Si Ohn and Gun Woo. Hyung Joon was an elite member of the police force, butlost his life following an unfortunate accident.