Spike and Tash are finally ready to travel the world in their converted mobile library, but a confusion with the gears leads to a call-out for the emergency services, and Sal's house ends up looking like a war zone. Jock agrees to mend the damage, and the thawing of his previously frosty relationship with Sal continues, much to the amusement of Tip and the disgust of Tash.
Sal runs a surgery from her house for elderly patients who don't want to go to the doctor. Jock, who is in charge of the building works, gets the idea, thanks to Rosie, that Sal is a prostitute because so many men are visiting her. He tells James, who fears it will ruin his chance of running for M.P. He is no happier when he learns that his mother is dispensing medicine, though Yasmeen takes it well. All is cleared up apart from the matter of the vicar, who came to Sal for sleeping pills, nodded off overnight and is discovered minus his trousers.
