Cha Ji-Won (Lee Jin-Wook) is a UDT officer of the Navy Special Operations Force. He is positive and has personal charm, but he falls into a desperate situation due to a friend's betrayal. He goes through numerous life or death situations. Cha Ji-Won then enters into a fake marriage with Swan (Moon Chae-Won) to hide his identity. Through the bright persona of Swan, Cha Ji-Won falls in love and regains his trust of others.

Goodbye Mr.Black (Hangul: 굿바이 미스터 블랙; RR: Gutbai Miseuteo Beullaek) is an upcoming South Korean television series based on the manhwa of the same title what produced by the novel The Count of Monte Cristo motif, written by Hwang Mi-na and published in 1983. It is set to air on MBC on Wednesdays and Thursdays at 21:55 March 16, 2016.