Set in Royal the Hill, an ultra-luxurious residential area where the top 1 percent of South Korean society reside, the story unfolds around the dark secrets, desires, and guilt of its residents. Baek Soo-hyeon is a respected and trusted anchorman who possesses a cold, unyielding sense of justice on the outside, but harbors a dark secret and a tormented conscience. When a horrific and tragic child kidnapping case takes place on the very night a torrential downpour obscures reality, the lives of Royal the Hill's residents begin to unravel. As the investigation deepens, the secrets that everyone tried so desperately to bury come rushing to the surface, exposing corruption, betrayal, and deep-seated malice among the elite. Soo-hyeon finds himself entangled in a web of lies and moral compromises as he tries to uncover the truth behind the tragedy, leading to a relentless psychological thriller that tests the boundaries of human nature and accountability.