Phoebe Yamura loves being a cheerleader. And her senior year at Shadyside High couldn't be more perfect! First she's voted captain of the squad. And now she's seeing Ty Sullivan. But if Phoebe is so perfect, why does somebody want her dead?

Ty Sullivan likes to have more than one girlfriend. So when he gets a valentine from the mysterious Amy, he decides to go out with her. too. But Amy isn't like the other girls... She's dead.

Josh Maxwell is ready to party at Trisha Conrad's ranch in Arizona. While his stepsiter, Josie, is hanging out with a cute college guy back in Shadyside. But Josh and Josie are about to find out that there's no break from the senior curse-and that wherever they go, the evil will follow....

Marla Newman desperately wants to be valedictorian. But will she go so far as to shed blood to gain that honor?

She wants a date for the prom. The she meets Duke. He's smart, cool, and really hot. Totally perfect. But Duke isn't as perfect as Jennifer thinks. And now her dream date is turning into a nightmare.

In the suspenseful conclusion of the twelve-part saga, the surviving members of Shadyside High's senior class try to uncover the culprit responsible for the senior-class curse, as they begin to suspect that Count Clarkula is really a vampire.