Bert comes to the conclusion that a new challenge will help him move on from Al's departure and decides to open a restaurant, but a spate of food-poisoning cases coincide with his first day of business. Martin meets Poppy, the surgery's new receptionist, and Pauline returns from her course.

Louisa faces off with love rival Carrie in a battle for Martin's affections, and romance is in the air for Aunt Joan, who gains an admirer in the form of Edward. Elsewhere, Al makes a surprise reappearance and PC Penhale celebrates his birthday.