After learning she has an older sister whom her parents gave up for adoption twenty-five years earlier, fifteen-year-old Josey Muller has to find a way to accept her new sibling and cope with the fact that she is no longer the only daughter.
When Lucy is almost sixteen years old, she spends a summer losing her best friend, dating a boy she previously despised, and watching her beloved grandmother fall victim to Alzheimer's disease.
When popular, successful Brian returns from Afghanistan after serving in the National Guard, everyone but his sixteen-year-old brother discounts his erratic behavior.