There are plenty of ways to make sure a horse loses a race, but how do you make a horse WIN a race?

Keeping surveillance on a goods yard full of empty wagons seems a pretty barren exercise - unless you know what's at stake.

It's not like Arthur Scarsdale to be violent. He's normally a peaceful little villain, but in the Newtown nick it takes three policemen to hold him down - and all Bowker did was offer him a cup of tea.

Lorry hi-jacks: too many, too well-planned and executed. Braithwaite goes 'under cover' as a lorry driver with a shady past. He's out in the cold - and vulnerable.

Excavating for a swimming pool a young couple come across an old trunk buried in their garden. For the police it means old files, old memories and old wounds must all be re-opened.