Adult toy designer ignites love with arms dealer.

To save her company, toy designer Holly enters a contract marriage with cold arms dealer Derek. As they live together and face dangerous crises, their transactional arrangement spirals out of control. Beneath her soft exterior, Holly grows stronger through every betrayal, while dominant Derek wavers in the face of her resilience. Caught between desire and danger, they move from using each other to saving each other, ultimately breaking the contract for real love.