Krissy Lynn and Katrina Kox, the rebellious students, find themselves in detention with their headmistress, Emma Haize, who has a secret fetish for anal play. Emma begins by rimming Krissy's tight ass, making her moan softly. Katrina watches, her pussy dripping with anticipation. Emma then introduces a strap-on, fucking both girls in their tight assholes, making them squirm and beg for more. The threesome escalates as Emma uses a dildo to gape Katrina's ass, exposing her pink insides, while Krissy eagerly licks her pussy.