Mann is sent to sort out a pub brawl which got out of hand. Not only is his list of suspects huge, but this problem is compounded when he discovers that they are all due to ship out to the Middle East in the next few days.
A barracks room card game called "Buckingham Palace" has only matches for stakes, but soon turns to Murder,blackmail and espionage when a shady local club proprietor is involved.
Mann is sent to Cologne to investigate a potential case of fraud in a Sergeant's Mess, where the monthly allocation of alcohol is regularly exceeded. But as well as fraud there is also blackmail.
Investigating a series of mysterious beatings-up at a regimental dinner, Sgt Mann is amazed to discover that when each of the victims is questioned their response is that they all tripped over.
Military Policemen are dislike. It's a fact that Mann and his colleagues live with. But why should several people be so eager to show their dislike in such in such a violent fashion? Mann investigates - and reaches a surprising conclusion.
Investigting a grenade attack on British forces in Cypress, Mann finds that a hard-nosed sergeant's wife has been cheating on him with other soldiers, among them supposedly the fiancé of a local girl.
Why should the Chinese be so helpful when Sgt Mann is investigating an ambush in Singapore? What have they to hide? Suspicious, the SIB officer digs deeper - and uncovers a startling bunch of facts.
Mann is brought into conflict with the local CID when a corporal is picked out of an identity parade and arrested for a theft that occurred in a radio shop the previous evening.
When an inept private soldier is viciously beaten unconscious in a street fight, suspicion falls on Sergeant Cole - a domineering NCO who has 'personal issues' with the unfortunate private.
In the final episode, hundreds of cans of petrol are being stolen at the German base. A mysterious note arrives accusing an old friend of Mann's, who is presently a security officer overlooking supplies.
