David and Abby Treasure seem to have everything together: a perfect marriage, a perfect son, and a perfect life. But one simple phone call turns their world upside down. Years ago, David had an affair, and though he never knew it, the affair produced a daughter. Now his former lover calls with heartbreaking news: his daughter is dying of leukemia. Her only hope for survival is a bone marrow transplant-from David or his son.Can David and Abby set aside their betrayal and anger to save a little girl's life? If they can make it through, they may find that their love for one another and their faith in God can be redeemed ...and grow stronger than ever before.