Series 3

1. Where's Harry?

1973-06-23 · 52m

'Mad' Harry Logan, a vicious but stupid criminal, escapes from prison. Kingdom – who put him away – investigates with Ward. The question that puzzles the police is: who organised the escape, and why?

2. Diamonds Are Never Forever

1973-06-30 · 51m

Two masked men burst into the home of wealthy jeweller Elliot Ryan and his wife Carlotta, and rob them. Kingdom and Ward suspect the job was set up by someone who knew Ryan's habits. And who is the photographer following Carlotta and her lover?

3. Bullet in a Haystack

1973-07-07 · 50m

William Radkin is found dead by the sitting room window. Kingdom and Ward find that he was killed by a .22 bullet, fired from outside. Meanwhile, a known pickpocket is brought in and the contents of his pocket reveal a possible link with Radkin's death.

4. Weight of Evidence

1973-07-14 · 51m

As Mrs Penton cashes a cheque, she sees three men putting on masks in the lobby. She notices one in particular, Eddie, donning a Dracula mask. But as she turns away, it's momentarily removed by another man. The bank is robbed, the men later caught and tried.

5. Crossfire

1973-07-21 · 51m

Sebastian Barrios, Ambassador of South American republic Guantala, resides in London with his wife Candida and son Manuel. Candida receives a telephone call from Manuel, announcing that he's been kidnapped. However, investigations reveal that it's more than just a political kidnapping.

6. Property, Dogs & Women

1973-07-28 · 50m

A group of carolers are attacked by thugs; a shop window is broken; and a small boy seriously injured. Kingdom and Ward investigate – and in doing so uncover issues of morals and discipline within the division responsible for the area.

7. Exchange Is No Robbery

1973-08-04 · 51m

Kingdom investigates a major bank robbery, assisted by Regional Crime Squad, and in particular by CS Piggott, a rival from Training School. Piggott is known to be after Kingdom's job, and it seems he may achieve his aim.

8. Daisy Chain

1973-08-11 · 52m

Double dealing and double death, a local J.P is found murdered, then a bulldozer uncovers a girl's skeleton. Kingdom and Ward face the task of putting the links together.

9. Don't Go Out Alone

1973-08-18 · 52m

A rich, middle-aged American woman spends an evening with a young escort. The following morning, she's found murdered and her jewellery stolen. During their investigation, Kingdom and Ward uncover an unexpected connection with the foreign office.

10. The Stone

1973-08-25 · 51m

Civil servant Weston calls at a colleague's flat and is let in by a porter. They discover chaos and a dead body. On the desk are confidential files; should Weston cover for his friend?

11. Monopoly

1973-09-01 · 52m

Kingdom is called to a suburban home, where Sidney Preece has been shot whist with his wife and two neighbours. Kingdom joins in a house-to-house search, and a front door is opened by an old girlfriend, who becomes an important witness.

12. Rogues Gallery

1973-09-08 · 52m

A Constable painting, stolen from a private collection, turns up on an easel in the Hartmann Gallery. Louis Hartmann himself lies dead at the foot of the stairs.

13. Pier

1973-09-15 · 51m

Kingdom and Angela have hit a crisis in their marriage. Needing space, she decides to visit Margate — only for Kingdom to be sent there on a murder case.