Tristan is upset when Siegfried criticizes him for sleeping in. Siegfried assumed Tristan was out partying when in fact he had spent most of the night treating a sick cow. Tristan is convinced that Siegfried and James are always giving him the dirty jobs, so he and Siegfried swap rounds for the day. Tristan first call is to treat Mr. Sutcliffe's rather large pig. Siegfried has to deal with Mrs. Clarke, whose lambs are failing. Turns out her own health may not be what it once was. James advises Franco Pedretti, who is hoping to marry but doesn't quite know how to propose, on local customs.