Series 18, Episode 15.
There is counterfeit money in circulation in Aidensfield. - DS Dawson thinks the criminals may be in the area.
Sergeant Miller gets a surprise visit from his wife. Her train broke down just outside Ashfordly and now she has been left stranded. But the good sergeant is none too pleased to see her. Especially not after she has been caught shoplifting.
Bernie reads in the newspaper that his big idol Judy Garland got married to Mickey Deans in London and plans to settle down in a British country house - maybe even Yorkshire. And indeed an American woman moves into one of the cottages with her husband. She calls herself Judy Dean, but soon everybody knows who she really is - or do they? Peggy cannot help cashing in on it.