Park Seong-geun

With the help of a gutsy female detective, a prosecutor who has lost the ability to feel empathy tackles a murder case amid political corruption.

When cellist Su-yeon vanishes, her fiancé Sung-jin finds solace in Mi-ju, her replacement. As their forbidden passion intensifies, they commit an unforgivable act-unaware that Su-yeon is trapped within the walls, watching every betrayal. As dark secrets unravel, love and vengeance blur, leading to a chilling reckoning.

When a crime ring starts construction on the largest casino in Asia, the group is challenged by a gangster who will stop at nothing to gain power.