Mara Nichols is a successful lawyer, devoted wife, and adoptive mother who has received a life-shattering diagnosis. Scott Coffman, a middle school teacher, has been fostering an 8-year-old boy while the boy's mother serves a jail sentence. Scott and Mara both have five days left until they must say good-bye to the ones they love the most. Through their stories, Julie Lawson Timmer explores the individual limits of human endurance and the power of relationships.