With his new responsibilities, Tristan tries to convince skeptical farmers of the benefits of artificial insemination. Getting nowhere with Deirdre, Tristan accepts Calum's suggestion that she be invited for dinner where Calum will prepare a special dish for them. Unfortunately for Tristan, Deirdre and Calum seem to have a lot in common. James blames himself when a cow he was treating dies and he's now concerned that legal action might be taken against him. He also has to treat Humphrey Cobbs' pregnant dog. There's nothing wrong with the dog except when its owner who, when in his cups, phones James in a panic imagining the worse. Siegfried takes Calum to task over a resident owl he brought home to Skeldale House.