Doc Martin

Louisa's old flame, Danny Steel, comes to Portwenn hoping to rekindle their romance. He is furious with Martin for interfering with his mother's move to a nursing home.

When his mother has to go to hospital, Peter Cronk needs a place to stay. The doctor isn't too keen, but Louise is busy with her candidature for headmistress.

Al discovers that Bert is not his natural father, Martin diagnoses food poisoning for a rural family with a mysterious unseen mother.

An old man, inexplicably emanating a horrible stench, consults Doctor Ellingham. Meanwhile, the local radio host, Caroline, seems to have a serious drinking problem.

Martin is puzzled when his cold and difficult parents come to stay with him, though he hasn't seen them in seven years.

PC Mark Mylow plans to spend his stag night sleeping rough in the woods with Al Large, but gets bitten by an adder.

A Salvation Army member arrives in Portwenn trying to trace a missing woman, Danny asks reluctant girlfriend Louisa to move in with him and Mark Mylow's medical check has a shocking result.