John Marquez

Morwenna's parents pay her a surprise visit and are taken aback by her relationship. As Louisa starts her new course, Penhale investigates a break-in at the school.

Louisa's stress is compounded when she must take a group of students on a sailing trip. Ruth's decision regarding the farm causes trouble for the Large family enterprises, and so Morwenna and Al throw an event to launch Al's new business.

Unhappy with his lot in life, Bert Large abandons his plumbing business to start his own restaurant, but the eatery's opening is followed immediately by several cases of food poisoning.

With Janice's departure, Martin and Louisa need to find a day care for James, and they settle on Portwenn Tots. Ruth considers selling her farm, and Al's stress level takes a toll on his body.

After successfully rekindling their relationship, Louisa and Martin are living together again, but Louisa finds herself juggling too many responsibilities at once. As Portwenn prepares for a wedding, Bert hopes to profit from the festivities.

Louisa Glasson finds out she has a rival for Doc Martin's affections; Martin accidentally runs over a dog.