In a city where secrets hide behind every screen, someone is always watching. Dahye has spent years living in the shadow of tragedy, haunted by the loss of her sister and struggling to build a future of her own. But when a series of disturbing discoveries reveals a hidden world of illegal surveillance, stolen privacy, and exploitation, she finds herself drawn into a nightmare that reaches far deeper than she ever imagined. Meanwhile, an ordinary office worker hides a dangerous obsession behind a...