In an unassuming Seoul workplace, IT technician Junyoung’s network reaches throughout the entire building. He sees every entrance. Every lobby. Every bathroom. The women in this building may be cold and dismissive, but he can always pull up his favorite images of them and remember who holds the real power. Until one, Dahye, sets herself apart from the rest.

Dahye, ever the romantic, yearns to be cherished after years of living in the shadow of her perfect older sister, who tragically drowned years ago. Only her boyfriend seems to appreciate Dahye. He’s rich, handsome, and generous—and she’d do anything to hold on to the happiness he brings her.

But when a hidden camera scandal rocks the city’s elites, Dahye’s dreams of a fairy-tale romance twist into a grotesque nightmare. Her boyfriend abandons her. Her parents reject her. Her grip on reality begins to shatter as visions of her dead sister suddenly appear. And as Junyoung’s interest in Dahye turns to obsession, and the truths of their troubled lives are revealed, Dahye must go to extreme lengths to bring the truth to light . . .