Watch There's Someone Inside Your House (2021) online

Makani Young has moved from Hawaii to quiet, small-town Nebraska to live with her grandmother and finish high school, but as the countdown to graduation begins, her classmates are stalked by a killer intent on exposing their darkest secrets to the entire town, terrorizing victims while wearing a life-like mask of their own face. With a mysterious past of her own, Makani and her friends must discover the killer's identity before they become victims themselves.