The assassin couple approaches the client's husband and the target's wife, and the assassin's wife stimulates the wife's sexual desires while they take a bath together. Then the couple drink alcohol together in a room and start playing King's Game. The wife kisses someone else's husband in front of her husband during the King's Game, and although she feels guilty, she is excited to kiss someone else for the first time in a long time. When the assassin approaches and starts to seduce her, the wife... despite her husband sleeping next to her.