Rule #1 of falling in love with your best friend's sister: Be prepared to fight for her. Even though Cassandra Carrigan doesn't want to be fought for. No matter what he does, she won't speak to Roman Sullivan. Not a single word. When Roman's parents move, forcing him to live with the Carrigans, he's not sure how he's supposed to live in a room next to the girl he's loved for years, the girl who doesn't want him there...