After a run-in with a tree while playing fetch, poor Tessa needs Dr. French to repair her broken teeth, Dr. Forbes helps Mocha the poodle, who was attacked by a larger canine and Dr. Gray fixes Winston the bulldog's sweet but serious vision problem.

Dr. French relieves Rowdy the lion of an infected tooth after Dr. Williams gets him safely sedated, Dr. James helps a cat whose spine needs saving and a Jack Russell terrier turns out to have bigger problems than Dr. James thought.

When a young St. Bernard's legs begin to fail, Dr. James enlists the help of Dr. Kilburn, Dr. Williams deals with a large pup plagued by a heartworm infestation and Dr. Bryer investigates a mysterious breathing issue affecting a newly adopted cat.