Young Will Darach wants to learn to rope at his grandpa's ranch, the Rocking Lazy D. He discovers that he needs patience. He also discovers that, for a real ranch cowboy, roping is more than a sport. It can be a matter of life or death.

At the Rocking S Horse Ranch, a wild red roan declares that no one will become his boss, but when a cowboy named Slim breaks him they decide to work together demonstrating that no one else can ride Rusty. Includes facts about red roan horses.

Young Will Darach wants to learn to rope at his grandpa's ranch, the Rocking Lazy D. He discovers that he needs patience. He also discovers that, for a real ranch cowboy, roping is more than a sport. It can be a matter of life or death.

Toby helps a wild stallion stay free.