Relates some of the legends of Pecos Bill, from the moment he bounced out of his family's covered wagon to the day his long-lost brother appears and explains that Bill is not like the coyotes that have raised him.
Super-cowboy Pecos Bill leaps onto the back of a monstrous cyclone and rides it like a bucking bronco, creating, in the process, the Colorado River, the Grand Canyon, and Death Valley.