This is a drama about a man who hides his cruel past and changes his identity, while his detective wife tracks down his past.

Cha Ji Won (Moon Chae Won) is a detective. She is married to Baek Hee Sung (Lee Joon Ki)and they a daughter. Baek Hee Sung seems like a committed husband and father, but he hides his cruel past and lives under another person’s identity. He deceives his wife completely. Cha Ji Won learns of his deception and chases his past.