Set during the reign of King Injong, the protagonist is a royal physician desperate to cure his ailing daughter. He becomes a fugitive when he gets entangled in an assassination plot to poison the crown prince, and fights to save both his daughter's life and his own.

Jin-ho Jeon is a very stylish young man with the perfect looks. Jin-ho has also some faults which include being self-centered and obsession with cleanliness. Jin-ho Jeon then comes across Gae-in Park, a woman hurt by love and is now looking for a gay roommate/friend. Jin-ho wanting to live with the woman, then pretends to be a gay male.