Sunny and her twin sister Rayne are at it again. When Magnus, Sunny's century year old vampire boyfriend, gets the bad news about having to get a blood mate, her world comes crumbling down. Magnus' blood mate is a supermodel looking, Oxford graduate vampire named Jane Johnson, who just doesn't feel right to Sunny. Unfortunately, Magnus just puts off her suspicions as jealousy. When the Coven gets called to a convention in Las Vegas, Sunny and Rayne decide to secretly tag along so they can get to the truth about this so-called "Jane". What they aren't expecting is a whirl wind of adventure that leads them onto different paths all along the way that lead to more mysteries for them to solve. It's up to Sunny to save her vampire lover and the Coven before Jane destroys it with her, Bad Blood.