David and Abby Treasure are enjoying the best years of their marriage when a voice from the past suddenly intrudes. David's former lover calls to say that their affair produced a child she never told him about. The little girl is dying of leukemia and needs a bone marrow transplant from a family member-and only David and his son Braden are good candidates. As David and Abby deal with his infidelity, they must also come to grips with how they can assist his dying daughter. Each member of these two families struggles with hurt, betrayal, and confrontation, until each ultimately finds answers-and hope-in faith.