Star cellist Su-yeon disappears from her conductor fiance Sung-jin’s life, leaving nothing but a Dear John video and an empty house. While a hurting Sung-jin attempts to fill her seat in the orchestra, Mi-ju appears as her replacement, but soon winds up taking her place in the bedroom as well in this twisted erotic thriller. Starring Cho Yeo-jeong (Parasite), Song Seung-heon (A Better Tomorrow), and Park Ji-hyun (Gonjiam: Haunted Asylum).