In the town of Wisteria, duty and desire collide for cocky knight Wolfie when he's suspended from his job for failing to protect a rare diamond stolen during a heated encounter with the alluring vampire Ciel, his one-night stand turned captive. Forced into an uneasy alliance, they embark on a journey to intercept the stolen jewel, facing bounty hunters, capital guards, and deep-seated family issues. Wolfie must learn to trust Ciel before the diamond falls into the wrong hands.