Chae Dae Wong, an aspiring actor, unwillingly releases a Gumiho, a legendary nine-tailed fox, from her centuries-old prison. He runs away terrified and ends up injuring himself badly, but she saves his life and asks to stay by his side.

Shy and sweet Dok Mi spends her life avoiding contact with people while she spies on the hunky doctor who lives in the apartment across the street. Her solitary existence is soon ...