Katie Belflower is a California girl with a penchant for stealing other girl's boyfriends. She begins an affair with Michael Simons, the husband of her 17 year-old classmate Jenna Nannetti. Katie, Michael, and a friend named Jeffrey Hamilton plot to kill Jenna in 2002. Months later, Katie and Jeffrey attempt to kill another girl, Aspen Lum, and during the attack, Katie admits to killing Jenna. Katie is serving 25 years to life in prison. Michael Simons gets life without parole and Jeffrey Hamilton gets 20 years to life.