Bella, a clumsy rabbit spirit apprentice with a penchant for giant hammers, accidentally teleports into the human world during a failed trial. She saves Lily, the traumatized daughter of the powerful Alpha Valen Bloodfang, from a cruel socialite. In the chaos, an accidental kiss between Bella and Valen miraculously suppresses his lethal blood rage. Desperate for a solution to his curse and a mother for his daughter, Valen offers Bella a life-changing proposal: become his "Contract Luna." Now, Bella must navigate the dangerous high society of werewolves while breaking every sacred rule of her kind, all while resisting the magnetic pull of the ultimate predator she was warned to fear.