After being worked to death, Kim Young Soo (Kim In Kwon) gets the chance to live a charmed life when he possesses Lee Hae Joon (Rain), a hottie and all around perfect guy. Meanwhile, Hong Nan (Oh Yeon Seo) starts behaving as if she's possessed by a man, and Shin Da Hye (Lee Min Jung) - a widow with new romantic appetites - turn Hae Joon's department store upside down.