Ethan, the Alpha of the Nightshade Pack, falls into a coma after being poisoned by the Moonshade flower. A witch prophesies that the only cure is a blood pact ceremony with a daughter of the Hill family from the Moonlight Pack. Emily, a helpless and orphaned Omega, is forced to take her cousin's place as the bride. She expects this marriage to be an endless abyss, but to her surprise, the comatose Ethan suddenly awakens and dotes on her endlessly. Under Ethan's fierce protection, Emily grows stronger, outsmarting and battling villains along the way. Will they ultimately become each other's destined mates?
