Step-dad Harper Red, a nerdy tutor, finds himself alone with his student. As the lesson turns into a seduction, he succumbs to the teen's advances, indulging in a wild session of freeuse sex with his step-dad.
Harper Red, a young and nerdy girl, has been struggling with her math lessons. Her father, being a bit of a workaholic, entrusts her tutoring to her step-dad, who happens to be a math genius. Harper's step-dad, a middle-aged man with a penchant for younger women, sees this as an opportunity to fulfill his sexual desires. He uses his knowledge of math to manipulate Harper into performing sexual acts. As he solves each equation, he rewards her with more intense sexual pleasures. Harper, despite her initial revulsion, finds herself succumbing to his advances. This tantalizing tale of academic tutoring turned into a steamy encounter is filled with intense scenes of freeuse, step-dad and student dynamics, and a touch of redhead allure.