Ivy and Olivia can't lose each other again! Even though twin sisters Ivy and Olivia, separated at birth, have only been reunited for a few months, they can't imagine life without each other. But Ivy's dad has decided to move to Europe - and he's taking Ivy with him! Oh, no! With Olivia's cheerleader optimism and Ivy's vampire craftiness, they're determined to come up with a plan that will keep Ivy and her dad in Franklin Grove. Can the twins stop a vampire from spreading his wings? Sink your teeth into Olivia and Ivy's fourth fright-time adventure.