Kim Mo-mi craved nothing more than the glare of attention. The persona of Mask Girl offered her precisely that. But how much longer could she conceal the truth?

Was it true love, or merely a compelling obsession? Ju Oh-nam, a solitary man living in isolation, is utterly devoted to Mask Girl. But fate intervenes when a startling discovery draws him unexpectedly into her world.

Kim Kyung-ja had known hardship: poverty, betrayal, the sting of divorce. Life had never offered her ease. So when misfortune touched those she cared for, she resolved to act, to seize control of her fate.

Kim Chun-ae is entangled in a difficult romance with someone who seeks to exploit her, aspiring to a career in K-pop. The question remains: can she escape this damaging relationship?

Mo-mi unexpectedly seeks out a relative she has long avoided. Years later, an innocent child bears the consequences of Mo-mi's actions.

Prison life offers no comforts, yet Mo-mi begins to find a footing within its harsh walls. The arrival of a cryptic letter and an unexpected visitor sets her on a path toward a startling revelation.

Momi initiates her scheme. Kyung-ja begins the process of retribution. Will these adversaries finally achieve a reckoning?