Within These Walls (2015)

Alaina moves into her late mother’s home, expecting to grieve but instead finds herself ensnared by a malevolent spirit. Initially believing her mother's loss haunts her, Alaina soon realizes that a far darker force is at work. The entity invades her body, mind, and soul, isolating her in a nightmarish existence where no one believes her cries for help. Driven by a desperate need for answers about her mother’s fate, Alaina must confront this relentless tormentor. Her struggle for survival becomes a battle against a sinister force intent on consuming her sanity.