How do you go on after making a life-altering discovery about yourself? Sophie St. John's grandmother, a world-renowned writer, may be as talented as she is rude, but Sophie is just Sophie: clumsy, emotional, and prone to outbursts. When she stars in a class play based on her grandmother's famous novel and then comes across an old legal case while doing research for homework, Sophie uncovers a profound, devastating, life-changing secret — a secret her parents have kept from her since birth. Faced with a revelation that changes her entire future, Sophie must confront her dysfunctional family, ponder her life goals, and summon the courage to finally start living on her own terms.