The cases & adventures of tough Sergeant John Mann, officer of Her Majesty's Royal Military Police Special Investigation Branch.
Mann investigates how and why a soldier murdered his sergeant in the middle of a crowded mess tent, and gets conflicting accounts from the witnesses.
Mann is sent to investigate a pub brawl which got out of hand. Not only is his list of suspects huge, but this problem is also compounded when he discovers that they are all due to ship out to the Middle East in the next few days.
A night-time commando raid on a sampan in the South China Sea ends in death for a member of the squad. Suspicion falls on the rest of the squad as this is the second death they've had recently, and Mann is asked to investigate.
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.
Mann is sent to a jungle warfare training school to investigate the theft of a Sterling sub-machine gun. All signs point to it being stolen by some natives, but the head of the training camp is certain it's one of the soldiers.
A seedy game of strip poker in the Sergeants' Quarters of a busy Army base turns to horror when a hand grenade is thrown through the window.
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.