David Melleney rushes out to help a farmer and her young son, whose pet ewe is struggling to give birth. Peter Wright's client is a much more experienced farmer. But his old friend Brian's cow has a strange problem that has both him and the veteran vet scratching their heads. Rohin Aojula needs to operate on his own pet cat for the second time. The first surgery saved her life after she arrived at the animal hospital as a stray. Now he's adopted her, he's feeling the nerves even more. Meanwhile, at Julian Norton's practice, the team head into theatre with an excitable springer spaniel puppy who has injured his tail.

With a ewe and her unborn babies in danger, Peter Wright heads to one of his most unusual lambing locations. The flock are under a railway bridge but, thanks to some rogue sheep in the road, Peter's arrival is delayed. Julian Norton hopes that cutting-edge technology can end a rough collie's serious leg problems. There's something fishy going on at the Huddersfield hospital, as Matt Smith performs surgery to remove a Koi carp's tumours. Shona Searson visits a pony with mysterious lumps on her skin. And budding young vet Lizzie, who owns Peter's favourite little donkey patient Elvis, gets her first taste of work experience on the road.