Dr. Boyd treats a cancerous tumor on Dudley the miniature poodle's jaw, Dr. Martin tests Kaileigh the dog's spleen while looking for the cause of nausea and restlessness and doctors seek the cause of Loki the kitten's heart murmur.

Dr. Boyd removes bone fragments from chocolate lab King's elbow after a slip and fall on ice and Dr. Bryer runs tests to help Rocky the dog overcome a severe skin infection due to unchecked demodex mites.

Dr. Boyd and her team diagnose puppy Luke with a slippery kneecap, which requires surgery, rush Charlie the golden retriever into emergency surgery to remove a basketball-sized tumor and operate on Chihuahua Reilly's broken leg.