The Stepdaughter (2024)

Plot

A seemingly innocent high school student, eager to bond with her father after his remarriage, harbors a dark obsession that drives her to extreme lengths. As she navigates her new life with his family, her desire to reclaim his attention escalates into a chilling determination. Beneath her charming facade lies a willingness to commit unspeakable acts, including murder, to eliminate anyone she perceives as a threat. Tensions rise as her sinister ambitions unfold, revealing the lengths one will go to for love—however twisted it may be.