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.
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.