His beloved wife Min-ju died. Drowning in unbearable sadness, Joon-seo veers towards taking his own life. At that moment, a woman comes looking for him. She claims that she is the real Min-ju. Joon-seo finds out that the name, job, identity and everything about his deceased wife was not true. She had approached Joon-seo intentionally under a fake mask and even faked her love. Joon-seo embarks on a quest to find out the true about his wife's identity and death.