Eileen Atkins

Martin and Louisa host a disastrous dinner party, their new nanny quits, and PC Penhale goes on a charm offensive to win friends.

A wailing baby and sleepless nights leave Martin and Louisa with frayed nerves. New receptionist Morwenna makes a bad first impression on the doctor. Aunt Ruth deals with an intruder and a reclusive neighbor with a mysterious illness.

Portwenn is buzzing with arrangements for the wedding of Doc Martin and Louisa. Will they finally tie the knot, or will the villagers have to put the confetti back in the box again?

The first annual Portwenn charity fun run leads to a rivalry between Bert Large's restaurant and a local pub. Louisa's mother, Eleanor, shows up unannounced, and while Louisa isn't happy to see her, the baby starts sleeping more soundly under Eleanor's care.

Louisa is hit by a car and rushed to the hospital, where she tells Martin some shocking news. Mike's shady past comes to light, and Al's dad dismisses his business plan.

Martin struggles with the absence of Louisa, who is staying with her mother in Spain and offering no clear return date. At Ruth's suggestion, Martin finally agrees to make an appointment with a therapist. Morwenna prepares for her role in a lifeboat training exercise commemorating the fifth anniversary of a locally famous rescue.

Now living separately from Martin, Louisa visits with Dr. Timoney, who suggests couples therapy, but Louisa isn't keen on the idea. Up to his eyes in debt, Bert disappears from the village without telling Al what's going on. Portwenn Radio's new host, Melanie, attempts to involve Martin in a "Healthy Eating Week" segment.

James's first birthday party is approaching and Louisa wants everything to be perfect, but life intervenes. Louisa's ex-boyfriend Danny returns to Portwenn with his London youth group. Mrs. Tishell seems ready to take her husband back, causing Clive to seek help from Martin.