Selina Cadell

A stomach bug sweeps through Portwenn. Martin creates mass panic by declaring it's the swimming pool, and then infuriates the locals by blaming the village water supply. Meanwhile, plumber Bert Large is making a mint off his new business: bottled water.

Martin has a new receptionist and a new problem: Louisa's former love, the suave Danny Steel, has come home to Portwenn. Meanwhile, Martin detects signs of dementia in an elderly patient and learns the shocking reason for a fisherman's long history of injuries.

Martin treats two brothers for salmonella poisoning, likely caused by the putrid contents of their fridge. But there's something else amiss about this family, which has a bizarre passion for taxidermy-and a mother who hasn't been seen in years.

A Salvation Army worker arrives in Portwenn to trace a missing woman, and the constable’s checkup has surprising results that could impact his upcoming nuptials. Danny asks Louisa to move in with him, but she feels ambivalent.

A local radio host seems to have a drinking problem but refuses Martin's help. The doctor does have another patient who welcomes his advice: an old man emitting a horrible stench. To add to his frustrations, Martin's romantic triangle becomes even more complicated.