Doc Martin is still in Portwenn, but Louisa is in Spain, taking time to think. Will she return, and what then? Knowing he must change for the sake of his marriage, Martin finds a therapist with help from Aunt Ruth. Meanwhile, Al Large tries to start a business, Aunt Ruth has a health scare, Morwenna finds a new flatmate, and PC Penhale must decide what matters most to him in life. 2 Blu-ray discs, SDH. Mature audiences.