When Samantha rescues a beautiful draft horse from an auction, she's sure he'll be perfect to groom for resale. The giant horse - named Tinkerbell! - is so big, Sam can barely saddle him. He's great at jumping--over pasture fences. Will he be helpful at a ranch, or too much to handle? Then disaster strikes River Bend, and it's Sam who needs help. And just in time to save the day, Tinkerbell's true strength is revealed.