Ecacusayet. Lightning flash. The renegade stallion known as Echo has eluded capture ever since he escaped the Ryan homestead shortly after birth. Seventeen-year-old Eli Ryan plans to change that. As his search narrows to the location of the horse's hideout, Eli nearly runs down Cassie Callahan in the Texas desert. Although an intriguing diversion, not even her compelling green eyes will deter him from his goal. But her stubborn protection of the legendary stallion just might steer him off course.