Master's Sun (Hangul: 주군의 태양; RR: Jugun-ui Taeyang) is a 2013 South Korean television series starring Gong Hyo-jin and So Ji-sub. The horror-romantic comedy is written by the Hong Sisters, and aired on SBS from August 7 to October 3, 2013 on Wednesdays and Thursdays at 21:55 for 17 episodes.
Joo Joong-won (So Ji-sub) is the stingy and greedy CEO of Kingdom, a conglomerate that includes a major department store and hotel. He meets the gloomy Tae Gong-shil (Gong Hyo-jin), who started seeing ghosts after an accident. Their lives take a new turn as they work together to deal with the terror and sadness brought about by the spirits, while delving into a kidnapping incident in Joong-won's past.