Cassie Roberts, an ex-rodeo queen turned single mom, gets an urgent call to return home to Texas for her sick father, Marvin. Ashamed of her wayward past, Cassie plans to stay home only long enough to help her father get back on his feet. But when she sees Splash, her father's prize-winning Quarter Horse, her plans change. Cassie wants to see Splash compete in the International Equestrian Games, and she wants the best trainer in east Texas to make it happen.