Alexis Malone, the seductive stepmom, leads an unconventional family therapy session with her stepson, Tony Sting, and her psychologist, Angelina Moon. Alexis, dressed in a revealing outfit, manipulates the situation, turning it into a taboo threesome. She convinces Tony that role-playing will help their rocky relationship, tricking him into believing it's part of the therapy. Angelina, initially hesitant, finds herself drawn into the depraved scenario, her professional ethics tested as she's forced to engage in the most wrong, yet undeniably arousing, acts.