Dr. Jeff and Hector help 40 miniature Australian shepherds rescued from a puppy mill; Vet tech Christine turns to Dr. Jeff when her elderly Chihuahua has trouble walking; Dr. Jeff is called out to treat an alpaca with a serious infection.

Dr. Jeff returns from a free vet care clinic with a dog who was hit by a car; the owner of a kitten with suspected ringworm gets more than she bargained for; Dr. Jeff treats a family dog with a mysterious lump; Dr. Baier falls for a rescued puppy.