Mingkwan Daichapanya has a secret. He likes a little pain with his pleasure, and he craves the freedom he can only find in another man's domination. But that secret has cost him, and now, he no longer dares to indulge in his true needs. One night of loneliness and desire makes his path cross with that of . For the first time in years, Mingkwan trusts Tae, allowing himself to surrender to Taehyung's strength. His faith seems misplaced, as he soon learns Taehyung has a secret of his own. He is a werewolf, and his role is to track down Ming's best friend, Forth. Taehyung is an enforcer, carrying the important duty of ensuring the safety of the werewolf world is protected from humans. Tasked with finding Phana Kongthanin and his mysterious human mate, he plans to approach Mingkwan for the investigation-only to run into him at a SPARK club. One look at the beautiful human, and he knows his life will never be the same again. He knows he can never let anyone else touch Mingkwan. Mingkwan is his, his lover, his sub, his mate. His everything. But there are a few more secrets hiding in Mingkwan's past and eventually in his belly. And Taehyung will face a battle he never expected, to protect his new mate, his new family, and the new precious bond growing between them.