A troubled but well-intentioned father who has recently separated from his wife runs off with his trans son into the Montana wilderness after his ex-wife's refusal to let their son live as his authentic self.

Courtney Bates, the younger sister of Valerie, and her friends go to their condo for a weekend getaway, but Courtney can't get rid of the haunting feeling that a supernatural rockabilly driller killer is coming to murder them all.