Dr. Ross closely examines a duck with a lump in his throat. Dr. Lavigne uses x-ray film during surgery in a very unexpected way, while Dr. Blue tries to uncover a guinea pig mystery at the clinic. Dr. Lavigne's wife joins a local roller derby team.

Dr. Lavigne is tasked with removing a six-pound mass from a small dog. Dr. Blue and wife welcome their first daughter. The vets make a house call to a llama that's causing some drama. Dr. Ross extracts a whopping 14 teeth from a mini poodle.

The doctors prepare to open a new clinic but are apprehensive about a promise they made to each other regarding the event. Dr. Ross tends to a frizzle hen's eye problem while Dr. Blue is alarmed by a bulldog's burst mammary gland.