The boys of Hut 29 help the wife of Sergeant Major Claude Snudge move into married quarters and the tip she gives them for their efforts gets them into trouble with the police.
A £100 prize is being offered in a Happiest Couple contest. The boys of Hut 29 are intrigued to learn that Sergeant Major Snudge and his wife have entered the contest.
Upshot-Bagley comes up with an idea to find possible officers in the unit, the lads from hut 29 try to make a bit of money from inspections, and Bullimore faces a charge after an unexpected visit from headquarters.