Let Her Out (2016)

After enduring a tragic attempt on her life before birth by her mother, a woman named Helen carries deep emotional scars for over two decades. Her mental state deteriorates further following a devastating head injury from an accident. Upon regaining consciousness in a hospital setting, medical professionals uncover a tumor developing in Helen's brain, triggering haunting hallucinations, mysterious voices, and the constant presence of an enigmatic young lady. As Helen becomes entangled in a surreal and perplexing nightmare, where reality is distorted and her violent deeds fade from memory, it becomes evident that the sinister forces lurking within her fractured mind will go to any lengths to break free.