Sonia Harcourt, a seasoned therapist, finds herself in an unexpected predicament when Athena Anderson, her patient and stepmother, begs her to help save her crumbling marriage with her stepson, Tyler Cruise. Desperate and willing to try anything, Athena agrees to Sonia's unconventional method of therapy - a three-way session on the couch. Sonia expertly manipulates the situation, guiding Athena and Tyler through a series of intimate, kinky exercises, pushing their boundaries and taboos. As the session progresses, the lines between therapy and fucking blur, culminating in a heated, taboo threesome.