Mocha the toy poodle is depressed and can't use her hind legs. The vets unravel the mystery of her deteriorating condition, with all signs pointing to a liver problem. Two box turtles are brought to the clinic to have their beaks trimmed. An orphan puppy has an unusual heart condition that is usually fatal. The surgeons perform open-heart surgery to correct the problem. When a cow at a local dairy farm swallows some metal, a vet student uses a magnet to attract the metal before it injures the cow's organs.