Joe Penhale gets an unexpected visitor when his ex wife Maggie shows up. After he attempts to tell her they are no longer married she wants to know why he left her. Joe soon realises that she is not well, especially after she tells him she thinks it is April 2008. He attempts to discreetly talk with Martin about her symptoms without telling him that he is talking about his ex wife. Joe is scared about loosing her again and arranges a romantic evening for them at a local restaurant. After Martin runs into them he realises what is wrong with Maggie. Eleanor meets an old school friend called Paul, a local fisherman who takes her out on a date. After Paul collapses on his boat and falls overboard, the doctor has to give mouth to mouth to resuscitate him. Morwenna shows up at work with blood dripping from her foot after standing on a nail. Martin and Louise finally come up with a name for the baby.
Make an appointment with the brilliant but socially awkward and neurotic Doc Martin. When Martin develops an aversion to blood, he abandons his career as a celebrated London surgeon and becomes the only doctor in a sleepy small town where his tactless manner soon has the whole town in an uproar.