High school senior Millie (Kathryn Newton) is just trying to survive being the unpopular kid when she becomes The Butcher's (Vince Vaughn) next target. Their fateful encounter gets twisted and they wake up in each other's bodies. Now looking like a towering psychopath, Millie learns she only has 24 hours to reverse the curse and get her body back before the switch becomes permanent and she's trapped in the form of a middle-aged maniac forever.
