Seven strangers. A mysterious voice named 'X'. And a deadly game of 'Murder Mystery' where losing means death. Trapped in a lavish mansion, Blake, Joseph, Rachel, and the others must navigate rounds of hidden roles, memory wipes, and brutal killings. Who is the murderer? Who is the sheriff? And can anyone survive X's twisted game?

Helene Amsel, a prodigy psychiatrist, takes on the ultimate challenge: treating Nathan Parker, a notorious serial killer, in the world's most heavily guarded prison. Six psychiatrists have failed before her. As she's drawn into his twisted games, navigating a hostile bodyguard and an obsessive ex, Helene must confront her own sanity in a world where love and darkness intertwine. Will she unravel his mind, or will he consume hers?