When some bearer bonds go missing from big time gangster Bobby Altman, the courier Billy Gilpin is a suspect, and he seeks Arthur's help...

An old friend of Terry's has left her son at his house, while she sorts her life out. Terry gets attached to the lad, but then the stepfather starts to cause trouble...

An old friend of Arthur's, released from prison, hopes to pick up a large amount of money left over from a bank robbery. Things start to go wrong when the retired policeman who was in charge of the case, a warden from the prison, and the other member of the gang learn of his release, and try and get a share of the loot.

Arthur gets arrested in a drugs raid after taking possession of a car bought in from Europe. Terry tries to hunt down the seller, and after a long chase he gets the driver, but back at the police station Arthur is being released.

Arthur persuades Terry into donning his boxing gloves once more. Meanwhile, 'Dirty Harry' lives up to his name when he sells Arthur's council flat.

Terry protects a rock star who has faked his death. His manager and producer want a share of the profits from his last record. Fortuitously, the tape has landed in Arthur's safe hands.

When an illegal bookie threatens a customer who owes him money, the customer collapses and dies of a heart attack. Arthur, who is about to go into hospital for an operation, is an eye witness to the event and in no time he is being chased by the police, the bookie and the customer's family.

When Arthur's car lot is compulsory purchased by the council, he decides to run as an independent candidate in the local by-election. Terry and a reporter help out, but just as he is about to win, the opposition want him barred for overspending during his campaign.