A quiet suburban life shatters when a lonely teacher, Jennifer Lopez as Claire Peterson, finds a dangerous obsession lurking behind a charming smile. Recently separated and struggling to reconnect with her teenage son, she makes a fateful error in judgment with Noah, the handsome and seemingly perfect young man who has just moved in next door, played by Ryan Guzman. What begins as a single, impulsive night of passion quickly spirals into a terrifying psychological trap, as Noah’s infatuation morphs into a violent and calculating fixation. With her family, career, and safety on the line, Claire must navigate a web of manipulation and escalating threats, discovering that the greatest danger is not a stranger, but the boy next door. Directed by Rob Cohen, this tense thriller explores the chilling consequences of a single mistake, building an atmosphere of paranoia where trust becomes the ultimate vulnerability.