Following a traumatic psychedelic experience, Maggie is plagued by residual visions of unspeakable terrors. Hoping to find peace, she returns with her friends to the mountains, determined to unravel the mysteries of her unsettling hallucinations. The journey takes a harrowing turn, however, when the bloodthirsty Invaders from Maggie’s mind materialize in the world with the uncanny ability to mimic human voices. Amidst the surreal chaos, Maggie must now fight for her life as the lines between nightmares and reality become treacherously intertwined.