1926. Nurse Althea Anderson's heart is breaking when she witnesses another premature baby die at Bellevue Hospital. So when she reads about the survival rates of babies in incubators, it feels like a miracle. But the doctors dismiss Althea, forcing her to make a choice between a baby's life and the doctors' wishes. Twenty-five years later, Stella Wright is falling apart. Her mother has just passed, she quit a job she loves, and her marriage is struggling. Then she discovers a letter that brings into question everything she knew about her mother, and everything she knows about herself.