Elizabeth Katy Argent is Allison Argent's cousin. When Katy gets expelled and her parents decide to make her move in with Allison everything starts to get better. Until she meets Isaac. Werewolves, Kanima's, Hunters.. It's like a halloween party every full moon. The problems lurking around Beacon Hills seem to escalate when she has to keep her knowledge of what's going on hidden. But, Katy's expertise is getting what she wants. And the thing is, Isaac is what she wants. And she will do anything to have him.