Hackett and team stake out a cargo ship carrying £30,000 in silver. A tip-off from snout Ted Knight points the finger at Jack Maynard. When the stakeout is terminated, the team discover Knight with his throat slit on the dock.
Harry Skeats runs a gang of jewel thieves. During a safe breaking, gang member Rocky Wall is badly burned; he's dumped and dies in hospital. Knowing they need a new burner, Hackett bails Tim Farlow out of jail to use has bait.
Courier Pink gives Sharkey a chance to make some money by bringing Lebanon hashish into Britain. Before he can hand it to Cetti, police raid his home, leaving Sharkey in possession of half a million pounds' worth of heroin.
Criminals Dickie Tufnell and Harry Kemp are shot dead in a gangland hit. Hackett learns that the latter had been forced into the robbery by a pair of revolutionaries looking to raise funds.
Two youths hijack four lorries and beat up the drivers. Tate believes they are stealing to order. When the pair attempt to sell new TV/radio cassette players to Tyler Electronics, they cross a big firm.
Hackett's snout Collars is murdered. Inquiries lead to the release of Swain and Lewis from Parkhurst. Target criminal Ruby Daniels' daughter Sam is kidnapped and the abductors want £300,000 in cash. Hackett believes Daniels is connected to the pair.
An informer tells Hackett to go to a squash club where he will find a briefcase in a locker. Leaving, he is approached by Dep. Chief Constable Goddard. Instead of documents, there's £10,000 in cash and Hackett facing suspension.
A young runaway is found at the scene of a lorry hijacking. Down the road, a second lorry is hijacked but the driver is dead and carrying a large amount of money. Hackett suspects that girls are being used as bait and goes undercover.
A number of art shops have been broken into with paintings stolen to order. Bonney discovers a link to a man called Abbo and curator Jenny Wilder, who has exported paintings from fourteen of the galleries.
Hackett and team are left in the lurch when Raymond Blake fails show to pick up £100,000 in stolen cash. Blake is met by Charlie Walker and his team who demand an 80% cut. Hackett is alerted when Mrs. Blake is seen with aid Venables.
Geoffrey Wyatt wants a Queen's Pardon for his son, who was wrongfully hanged 15 years earlier. He takes MP Jack Sissons hostage with a briefcase of explosives.
Millett Construction are bidding for the M58 contract. Civil servant John McCorquadale is caught in a honey trap but then killed. Hecht buys Millett and Hackett tries to find the money.
Hackett and DC Aston are guarding informer Heslop prior to giving evidence against target criminal Collyer. Aston is killed by a bomb placed in Heslop's car. Now Heslop has gone on the run from both Hackett and Collyer.
Hackett bumps into ex-girlfriend Trish Walker at the airport, who's carrying £12,000 of cocaine for Scott Taylor. While out, with Hackett, Taylor's drug deal goes wrong and an innocent man is killed.
Hackett's ex-fiancée Gemma Maskell rings him out of the blue. He's unaware that her husband is threatening her life if she doesn't return to London. The following day, she is dragged from the river, strangled to death.
A courier arriving from Frankfurt is mugged. He has on him a sample case with pure gold moldings. Hackett believes Billy Jarvis is smuggling gold and using his porn empire has a front.
