Calum Buchanan joins the practice along with his tame badger, Marylin. Pregnant ewes, the plumbing at Sceldale and Helen's lost engagement ring herald the new arrival.

Tristan has been appointed a fertility counselor for the Ministry of Agriculture. He and James are sent to Grimbsby to examine an export consignment Russian vets. The Russian woman vet lives up to Tristan's belief that all Russian women are built like discus-throwers.

James has a crisis of professional confidence while treating a cow with a new drug. Tristan tries to convince a local farmer of the virtues of artificial insemination but Siegfreid only succeeds in enraging the farmer's bull.