Luo Hongwu returns to Kaili, the hometown from which he fled many years ago. He begins the search for the woman he loved and whom he has never been able to forget.

From a mountain peak in South Korea, a man plummets to his death. Did he jump, or was he pushed? When detective Hae-joon arrives on the scene, he begins to suspect the dead man’s wife Seo-rae. But as he digs deeper into the investigation, he finds himself trapped in a web of deception and desire.