Now dismissed from UCOS Brian is persuaded by Esther to help her friend Margaret Kirby find her brother Peter Sale, who disappeared six years earlier. In the mean time Brian is bothered by journalist Maxine Wilson, whom he believes has been sent by Embleton to discredit him, and needs Strickland's help to get rid of her. Brian visits Jonathan Epstein, jailed for killing his wife Florence for her money, along with his girlfriend Annabel, who seemingly disappeared with the cash. Sale was Epstein's accountant but Epstein does not know his whereabouts and after the visit Brian is attacked. Accompanied by Esther, Brian sets out to find clues to locate Sale, in the process crossing paths with UCOS, who are investigating a con artist with links to Epstein. Eventually Sale is found and, before parting company with UCOS, Brian discovers that somebody is an impostor and Esther has to save him from being killed by them.

In 1989 32-year old Charlie Hayes, a stock market trader, fell to his death, a presumed suicide, from his office building near Tower Bridge but a blow up photograph in a retrospective art exhibition reveals a background figure who pushed him.Cash-strapped Steve takes advantage of insider information as the team interviews Charlie's former girlfriend and colleagues, prime suspect being obnoxious Kevin Dodds, whom Charlie exposed as a rapist and the team brings him in. However the rape gives him an alibi for the murder and Danny and Steve discover that Charlie was sacrificed to prevent him disclosing certain anomalies within the company's trading.