A nine-tailed fox settles down in the city. A female television PD chases after the nine-tailed fox.

A TV producer discovers a secret supernatural world as she becomes entangled with a former deity who's spent centuries searching for his lost lover.

It is a love story of Han Se-gye (Seo Hyun-jin) who is an A-list actress. She is known as a troublemaker and the object of many rumors. Her life is a mystery, but, in reality, she suffers from an unusual phenomenon. At a certain point every month, her appearance changes to a different person. She lives one week out of every month with a different appearance, and Seo Do-jae (Lee Min-ki) who is an executive director of an airline company. He seems perfect with an attractive appearance and intelligence but, he suffers from prosopagnosia. He hides this disability and tries hard to memorize people by their habits and mannerisms. The only face that he is able to recognize is Han Se-gye’s.

Park Cha O Reum works as a rookie judge. She is in her mid-20's and follows "an eye for an eye" principle. She does not accept prejudice or blindly follow authority. Dealing with cases, she and her colleagues, including Im Ba-Reun, grow as persons.