#1 New York Times bestselling author Jennifer Weiner delivers "a tale of love against the odds" (People). Rachel Blum and Andy Landis are just eight years old when they meet one night in an ER waiting room. Born with a congenial heart defect, Rachel is a veteran of hospitals, and she's intrigued by the boy who shows up alone with a broken arm. He tells her his name. She tells him a story. After Andy's taken back to a doctor...