Meet George Kocharyan, Cambridge Confidential Services’ one and only private investigator. Amidst the usual jobs following unfaithful spouses, he is approached by the glamorous Sylvia Booker. The wife of the bursar of Morley College, Booker is worried that her daughter Lucy has fallen in with the wrong crowd.

Aided by his assistant Sandra and her teenage son, George soon realises that Lucy is sneaking off to the apartment of an older man, but perhaps not for the reasons one might suspect.Then an unfaithful wife he had been following is found dead. As his investigation continues— enlivened by a mild stabbing and the unwanted intervention and attention of Detective Inspector Vicky Stubbing—George begins to wonder if all the threads are connected...