Summary
Seou thought she could escape her past after betraying Wonhyeok—the son of a murderer—following a bloody secret that changed everything. Years later, fate traps them together in an abandoned underground bunker, forcing them to confront the truth in suffocating darkness.
As tension builds, Seou must face a chilling question: is Wonhyeok her only chance of survival, or has he been waiting all these years for revenge?