The drama revolves around a suspicious corpse that appears on the road and four murder suspects. It tells the story of the host of the TV show "Return" and lawyer Choi Ji-hye (played by Ko Hyun-jeong in episodes 1-15, Park Jin-hee in episodes 16-34) and the policeman Dokko Young (played by Lee Jin-woo), who was a bad boy, working together to track down the truth.