Every summer, in an event that is commemorated throughout the Tohono O'odham Nation, the Queen of the Night flower blooms in the Arizona desert. But one couple's intended celebration is shattered by gunfire, the sole witness to the bloodshed a little girl who has lost the only family she's ever known. To her rescue come Dr. Lani Walker, who sees the trauma of her own childhood reflected in her young patient, and Dan Pardee, an Iraq war veteran and...