Frankie reluctantly attends a remote house party, hoping to avoid her ex. The gathering shifts when a guest arrives following a disturbing encounter, triggering the spread of a supernatural force transmitted through physical contact.
A woman battles lifelong sleep paralysis while living in rural Illinois. As nightly episodes worsen her mental state, paranormal investigators suggest her condition may have supernatural origins.
After waking up on her father's isolated forest property with amnesia, Vivian must use her limited memory to piece together the nightmarish truth, all the while being tormented by the undead, a giant leech monster, and her "father."