Noel Fitzpatrick and his team return to provide more cutting-edge animal care. The professor's first patient is labradoodle Mitzi, who has been hit by a car - and Noel's biggest concern is that she may have suffered nerve damage, leaving her owners fearing the worst. Options are limited for 10-month-old German pointer Hector, who is struggling to walk - he must undergo spinal surgery or face the prospect of being put to sleep, while a Leonberger with a cancerous leg undergoes an operation to remove the tumour.