May, a self help author with all the answers, suddenly finds herself stalked by a masked man who mysteriously reappears every night. Even when she kills him. May struggles to get help from the people around her as she fights to stay alive. Is this paranoia, or is she doomed to accept her new reality?

Claire is a lonely hairstylist who secretly murders and scalps her clients. When Olivia makes the well-intentioned mistake of asking Claire to style her hair for her wedding, she becomes dangerously obsessed, and her sanity starts to slip away with bloody consequences.