Khloe Kingsley and Julia Robbie, eager to patch up their sibling rivalry, enter a therapist's office with high hopes. But the session takes a kinky turn when the psychologist, Tony Sting, exploits their vulnerabilities. He skillfully manipulates their emotions, turning the appointment into a wild, taboo threesome. The clinic's sterile environment is soon filled with the scent of sex and the sound of their bodies colliding in a desperate, forbidden dance.