Martin is surprised when his parents visit out of the blue, but they bring unwelcome tidings for all, especially Aunt Joan, who may be driven out of her home. School secretary Maureen receives better news when her thyroid problem turns out to be a pregnancy. Louisa calls the doctor when Danny collapses - but the ambulance is delayed and Ellingham must perform emergency surgery to save his life.
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.