As part of an internet challenge to live undetected in a stranger’s home, a daring couple target an infamous haunted house and endure a series of chilling incidents as they witness a family descending into madness.

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.