Alyssa wakes up in a home that's not hers and discovers a dead body. With no memory of how she got there, and no idea of who he is, Alyssa tries to piece together what exactly happened the night before.
After losing the use of his legs in a car crash, Tony is helped to walk again by Daphne his physical therapist. But Daphne's loving care soon morphs into a sick attempt to possess Tony forever.