The plot involves the murder of the Russian Olympic ambassador who was in possession of £50 million intended as a bribe for the British Olympic committee. A far-right nationalist killer takes the money and explains he killed the ambassador to prevent a Russian victory over Britain at the Olympics. The detective works to solve the case by putting himself in the killer's mindset. A new lead comes from a phone call placing the ambassador at a previously unknown location. CCTV footage then helps capture the killer, who is prosecuted. Alternatively, the killer is revealed to be the opening scene policeman who framed the detective to improve his rank.