There is a local race meeting on and Barlow, as befitting his rank, has been assigned to keep an eye on Tattersall's. Lynch is less fortunate: his beat is the car park, so far distant from the course that his chances of picking up useful information are limited. A suitably dressed Blackitt, off duty, is present as a private punter. Smith and Weir are cruising in Z-Victor One as usual.

PC Walker joins Dave Graham in Z-Victor Two - and finds himself thrown in at the deep end.

The Lucky 13 Club opens in Seaport. It is lush and plush with its professional dealers and croupiers, but it is not crooked. But it attracts its share of mugs - and a frightened woman.

It's all very well taking in a stray, but Sgt. Blackitt thinks this one might bite the hand that feeds it.

Newtown nick is awaiting an official visit by H.M. Inspector of Constabulary. The station is spick and span, gleaming with polish, when in walks a miner, straight from the coal face, dripping coal dust over everything. He wants to confess to his part in the theft of a forty feet long shed the previous night. Blackitt is furious and desperately tries to persuade the miner to come back later. The argument is at its height when H.M. Inspector arrives.

Is a man lying? Lynch has to decide for himself and act accordingly.

Three boys are bashing away at a piano which has been left on the street. Watt thinks he knows which bunch of practical jokers put it there. But the whole resources of Newtown station are rushed to the marshes at Seaport where a pair of 'sportsmen' get trapped by their own ignorance and folly.

What happened to Jean Roe, who is found unconscious on the floor in an upstairs flat? To Graham and Walker it looks like a straightforward case of assault. But this is only the beginning and soon they find themselves involved in a case of drug addiction.

A night watchman's hut is heaven to Patsy and Alfie, but it's back to earth with a bump when Fancy Smith turns up a card.

Sgt. Blackitt takes his wife Alice out to dinner to celebrate his 25 years on the force. He has reason to celebrate, but events force him to realise that over-zealous attention to duty can have serious consequences.

When Brian Logan unlawfully courts two women at the same time, the end can only mean unhappiness, not to mention problems for Smith and Weir. Lynch has to finish the case, but without much help from Barlow, who has promotion and transfer on his mind.

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