Brody McQuaid is a broken man, and he knows it. While his body survived the war, his soul did not. Besides loving his little niece, his only other sense of purpose comes from saving the wild horses that roam South Park. Ranchers in the area have taken to killing the horses, which are competing with their cattle to feed on the open grass.

Savannah Marshall is a veterinarian on her family's Colorado ranch. She longs to keep her father happy following the tragic death of her older brother, including marrying a man of his choosing. But days before her wedding, she gets cold feet and disappears to South Park. As she learns more about the destruction of the horses, she joins Brody in an attempt to save the wild creatures. But when Savannah's family and the resentments of the area cattlemen catch up with them both, Brody and Savannah will have to tame their fears if they've any hope to let love run free.