The series "Goodbye Mr. Black" is a dramatic thriller about a modern-day Count of Monte Cristo. Cha Ji-won is a young Korean man serving in the navy. He is passionately in love with his fiancée and dreams only of returning to her after his latest voyage. But when he returns home, he discovers that his best friend has kidnapped his fiancée and he himself is being framed for a serious crime. He escapes to Thailand, where he finds himself on the brink of death, but he refuses to give up and instead hatches a cunning plan for revenge against all those who wronged him.