James proves himself as experienced vet while Helen explores farm investment options. A new vet's arrival causes Siegfried doubt and James self-reflection. At sweet shop, James struggles to diagnose cat Alfred. Dorothy uplifts Siegfried.

Helen brings Friesian cows to Heston to boost milk production, but needs to convince Richard. Siegfried tries to improve the practice despite doubts from the Hollins farmers and their sow Harriet. Dorothy lifts his spirits amusing Tristan.