Joon is arrested for the murder of the top student at his prestigious school. When he is released, Joon holds students accusing him of the crime in a room and forces them to reveal their dark secrets.

It's not true that I remember my husband's disappearance and the strange events that happened. Soo-yeon is consulted by psychiatrist Jeong-woo after her husband Yeong-min disappears, and Jeong-woo visits the site and advice Soo-yeon whose memories are confused to visit the place where she first met her husband. Soo-yeon suddenly changes her attitude when she finds her dead husband Yeong-min's body there. Meanwhile, Soo-yeon learned from the insurance investigator that all the men who had been married so far died and received huge insurance money. At that time, Soo-yeon and Jeong-woo who invited Jeongwoo to a party in a remote mansion in the mountains, face a shocking and terrible truth there.