Grace, a struggling lingerie designer, desperately needs money for her sister's surgery. She applies at Chris's company but is mistaken for a product tester and subjected to his sensual "training." After the misunderstanding is cleared, Chris, intrigued, offers her a high-paying BDSM contract. Reluctant but cornered by her sister's critical condition, Grace agrees. As she navigates this new world, her design talents and a complex relationship with Chris begin to unfold.