A mother, named Lauren Phillips, receives a call from school to fetch her adolescent stepson, Elias Cash. She is surprised when the boy's highly traditional educator, Annie King, requests that he be escorted home due to falling asleep in class and experiencing an erection. Annie is repulsed by his arousal while Lauren feels she is too uptight. Tensions rise as Lauren becomes defensive and questions Annie's conservative beliefs. This escalates into a situation where Lauren masturbates and has intercourse with her stepson right in front of Annie to prove a point! Annie is shocked but strangely turned on, leading Lauren to have compassion for her and suggest she joins them in a passionate threesome.