Hidden Face

Seong-jin, a successful orchestra conductor, is left in shock when his cellist fiancée, Soo-yeon, vanishes after sending him a video message ending their engagement. While grieving her loss, he finds himself irresistibly drawn to Mi-joo, the young musician who replaces her in the orchestra. The two begin a torrid affair, unaware that Soo-yeon is actually trapped within a hidden panic room inside their house. From behind a one-way mirror, she is forced to watch their every intimate moment, as her desperation to escape clashes with the growing secrets of those she once loved.