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Hampshire builder Neil Berriman discovers he is the son of the nanny murdered by Lucan and starts to investigate. He finds evidence that suggests the aristocrat escaped to Africa.

Investigator Neil turns his attention to a possible sighting of Lucan in Australia. He creates a false identity and goes undercover in order to try to track down his man.

Facial recognition experts deliver an extraordinary result. And Sandra Rivett’s son Neil goes face to face with the man he believes killed his mother.