Annette Somerville, a young single mother, earns her living in a high-class Glasgow sauna parlour, scrupulously keeping her respectable home life separate from her professional activities. During a series of murders in the city, seemingly unconnected, Annette realises that all of the victims have been regular customers.
Scott Maxwell was already concerned about his lack of free will, frequent memory lapses and that his father-in-law had been replaced by an imposter. Then the reality around him collapsed, plunging him into a devastated future world, and it was time to be seriously alarmed!
As we look back over the years at the turbulent relationship between Walter Bain and his neighbours, one thing becomes clear: only one of them may be a murderer, but none of them had any reason to mourn his passing.