Fifteen-year-old Calli has just about everything she could want in life—two loving moms, a good-looking boyfriend, and a best friend who has always been there for support. An only child, Calli is excited when her parents announce that they want to be foster parents. Unfortunately, being a foster sister to Cherish is not at all what Calli expected. First Cherish steals Calli’s boyfriend, then begins to pit Calli’s moms against one another, and she even steals...