"The drougt on Hank's ranch has finally ended, and it's a beautiful spring day. In fact, it's the kind of day in which the Head of Ranch Secuirty really wouldn't expect to find himself protecting the ranch from bloodthirsty mosquitoes, doing toad duty, or, most especially of all, standing between his cowboy friends and a sick and angry cow. However, that's exactly what happens when Miss Viola asks Slim and Hank to help Woodrow haul a cow to the veterinarian....