Ever since her teenage years, Twilight has felt a forbidden desire for her elder sibling, Shining Armor. After years of suppressing her emotions, she finds her impulses increasingly difficult to resist. When she reaches her breaking point, she reaches out to her mentor, who in turn recommends a highly unorthodox method of coping with her worldly lusts. Twilight must trust her teacher's counsel and set off on a journey of self-discovery in order to gain control of her mind and body.