Y/n is a curator at a Seoul gallery, her life is filled with work and although she excels at her job, she is just a cold and strict leader among her colleagues. No one knows that behind the strict face is a traumatized woman who struggles with mental health issues. After Y/n lost her fiancé in an accident a month ago (who cheated on her) everything starts to get more complicated. But what happens when a determined detective reveals that the woman's fiancé's death was not an accident but a murder and begins to suspect Y/n? In addition, Y/n must face a malicious colleague who is trying to ruin her life and an obsessed CEO who puts her in a life-or-death situation. But who will be the real victim in the end?