Emma Inglis operates on a cat called Herbie that has been trodden on by a horse, whilst her husband Joe's patients include Cap the sheep-dog, who has been hit by a car. Meanwhile, Trude Mostue performs a tricky operation on a rabbit called Biscuit to remove an injured eye. Later all three vet's take a nostalgic trip back to the vets' school at Langford College, Bristol, which is celebrating its 50th anniversary.