Kim In-kwon

During the confusing and conspiratorial Joseon Dynasty, King Gwang-hae orders his councilor, HEO Kyun, to find him a double in order to avoid the constant threat of assassination. HEO Kyun finds Ha-sun, a jester who looks remarkably like the king, and just as feared, Gwang-hae is poisoned. Ha-sun fills the role as the king until Gwang-hae recovers. While assuming the role of the king, Ha-sun begins to ponder the intricacies of the problems debated in his court. (Koreanfilm.or.kr)

A man is worked to death, but he comes back to the living world in the attractive body of another man for a limited amount of time. Lee Hae Joon is a perfect man with good looking appearance, who works as a section chief in the women's apparel section at a department store. But his body is actually possessed by the spirit of Kim Yeong Soo who was worked to death. Meanwhile, Hong Nan is a beautiful woman, but her spirit is possessed by a tough guy, Han Ki Tak. (mydramalist.com)