Insane: romance suspense

Ellie Cassel, the ultimate stunning goddess, is every girl's dream. She crashes the party, breaks rules recklessly and more often than not drives her parents crazy. While her sister, Olivia, is a straight-A student whose social life can put Helen Keller's to shame. When Ellie is arrested for murdering her boyfriend, Alex Harrington, Olivia knows she's the only one that can help to clear her sister's name. Together with her best friend, they stumble upon an unexpected turn of events and along the way, the horrifying if not the deadly truth.