Louisa and Martin have their first therapy session together - though neither of them was expecting that they would be given homework. Peter Cronk, now 15, approaches Louisa to ask if Martin will allow him to do work experience at the Surgery. Louisa is surprised, and impressed, when Martin agrees to this: perhaps he is learning to change after all. Morwenna is not quite so happy about it when Peter starts trying to boss her around in the Surgery. Meanwhile, Mrs. Tishell is surprised by the return of her husband, Clive, and even more so when he tells her he wants to give things another go. Bert, after losing the restaurant and having nowhere to live except this new camper van, is looking around for other opportunities, but he is keeping everything close to his chest, and definitely away from the eyes of Penhale, who is trying to impress Janice. Louisa has to call Martin to help her when one of her pupils, Jessy, collapses during a school excursion, and together they rush Jessy to the hospital. Peter's work experience doesn't work out quite as well as he had hoped, though he is very grateful he did it when Martin helps him to successfully treat his mother, Mrs. Cronk.

DOC MARTIN is a catchy comedy drama that stars Martin Clunes as the abrasive and tactless Dr. Martin Ellingham, a successful London surgeon who begins working as a General Practitioner in the seaside Cornish village of Portwenn after developing a problematic phobia of blood. Doc Martin soon finds he needs all the allies he can get as he tries to negotiate his way around village life with hilarious consequences.