DCI Hunt is determined to keep a lid on protests against the London Docklands development. When a suspected member of the London Liberation Front is arrested, Alex asks her mother, a lawyer, to defend him. Meanwhile, Prince Charles is marrying Lady Diana Spencer and the in-crowd is partying at the Blitz Club.

Alex is determined to prevent the murder of her parents in a car bomb attack. Gene, meanwhile, is determined to give a good impression to a visiting Lord Scarman, but the station is still dealing with the aftermath of a Gay Pride demonstration.

When a dead man is found in a Soho strip club, it looks like a sex game has gone wrong. So when the deceased is discovered to be a police officer, Gene and Alex are ordered to keep the case under wraps.

A face from Gene's old stomping ground of Manchester shows up called Jackie Queen. Jackie is a reporter who is investigating teenagers who traveled to London from the north and have disappeared.

A severed hand is sent to Fenchurch station. Discovering that several women have been murdered, Alex decides to join the dating agency they all used. Alex tries to discover the truth about Sam Tyler's death, but Gene is obstructive.

DCI Jim Keats has almost finished his report into DCI Gene Hunt and his team, but he's still pushing DI Alex Drake to find out what really happened to Sam Tyler.

When reports come in of a disturbance at an ANC illegal drinking den Gene heads in all guns blazing. The men at the club are quick to dismiss the disturbance as nothing, but when DI Ray Carling spots blood on the floor and discovers a dead body, it leads Gene into a murder investigation.