London 1955A distress call from his old friend Harold interrupts Robert's travel preparations for Egypt. Just a few days earlier, Harold had introduced him to his new wife, Jazmin - now she has been shot dead in the street. Chief Inspector Mosley quickly identifies a prime Harold's son Peter. Earlier, there had been a confrontation between him and Jazmin in the presence of several party guests, and a firearm was found with Peter. Harold doesn't believe in his son's guilt and asks Robert to start an investigation. Robert follows a trail into the notorious world of Soho, where he discovers things about Jazmin that shed a completely different light on Harold's young deceased wife...