The Housemaid (2025) follows Millie Calloway (Sydney Sweeney), a young woman with a criminal past, who takes a live-in job for the wealthy, seemingly perfect Winchester family (Amanda Seyfried & Brandon Sklenar), only to discover their opulent life hides dangerous secrets, manipulation, and psychological torment, especially from volatile wife Nina, leading to shocking twists involving an affair with Andrew, and Millie being trapped in a deadly game with a final, unexpected turn where she embraces her cunning to survive.