The veterinary team suspects a dog named Tess has epilepsy until MRI reveals a malignant tumor in the Boxer's brain. Student Jenny Civic is faced with one of her biggest cases...literally. He's a one-ton Clydesdale horse named Duke who's lame in one leg. One of the college's receptionists brings in Spencer, her amputee budgie, who is regurgitating seeds frequently. Ophthalmologist Dr. Grahn uses one of his own inventions to save the eyesight of a Basset Hound.