There's Someone Inside Your House is a 2021 horror slasher written by Henry Gayden and directed by Patrick Brice, from the producers of Stranger Things and The Conjuring Universe. It is an adaptation of the 2017 novel of the same name, written by Stephanie Perkins. The plot follows Makani Young, a senior transfer student from Hawaii who later finds herself in the center of gruesome murder cases in her newly acquainted town of Osborne, Nebraska.
The cast includes Sydney Park, Théodore Pellerin, Asjha Cooper, Jesse LaTourette, and Diego Josef.
There's Someone Inside Your House is set to premiere at Fantastic Fest in September 2021. The film is scheduled to be released on Netflix on October 6th. Watch the official trailer below.