In the summer of 1968, seventeen-year-old Brian McKenna takes a job delivering milk to homes on Long Island. In an era of both promise and heartbreak, Brian finds comfort in the routine of the milk route as relationships unravel around him. Then fifteen-year-old Hannah Kepler pulls him into her orbit, causing him to question everything. Traveling between past and present, this compelling story ponders a time when childhood was fleeting and some saw more than they could bear.