At the end of World War I, Bouncer, from the Bronx, follows his buddy Ken "Hell-Fire" Austin west, who boasts his name means something in the Great West, where life will be easy and trouble-free for them. Bouncer soon finds that the only person in the West who knows his buddy is himself and Austin. THey get tossed on the chain-gang for sixty days, for non-payment of their café bill, where Ken spots and becomes friends with a stallion, Tarzan, on the open range. The horse belongs to rancher Judy Brooks who hopes to race him in the Cactusville Sweepstakes in order to pay off a note held on her ranch by Mark Edmunds. Edmunds gets Ken freed from the two-man chain gang to train and ride his horse in the race but Ken learns that Edmunds has a scheme going to beat Judy out of her horse and the ranch. He quits Edmunds and takes on the task of riding Tarzan in the race, but has to keep himself and the horse hidden from the Sheriff and Edmund`s henchmen.