When Auden impulsively goes to stay with her father, stepmother, and new baby sister the summer before she starts college, all the trauma of her parents' divorce is revived, even as she is making new friends and having new experiences such as learning to ride a bike and dating.

Isolated from friends who believe the worst because she has not been truthful with them, sixteen-year-old Annabel finds an ally in classmate Owen, whose honesty and passion for music help her to face and share what really happened at the end-of-the-year party that changed her life.