A less-than-successful pulling partner leaves Smith entertaining two girls, Marsh finds a way to avoid paying Leckie the two quid he owes him, and Richardson's upset when he learns that Mrs. Fairfax is moving to Aden.
Marsh shocks Baker by claiming that he is the victim of racial prejudice, the lads worry that they'll be posted to the four corners of the world, and Smith can't hide his admiration when Wendy outwits a former corporal.
C Flight head to RAF Wareham for target practice and a first go in the air, Lilley's ineptitude on the rifle range has everyone ducking for cover, and a last minute change of plan forces Marsh to confront his secret phobia.
Alice moans about having nothing to burn when the temperature drops, Richardson finds a replacement for Agnes as the object of his affections, and the lads try to find a way to stop Marsh nicking their coke rations.
C Flight are up at half five in the morning to take part in a field exercise, Marsh points out that no erk has ever made it back to ring the bell, and Lilley finds himself appointed team leader to take on the RAF Regiment.
The lads get fed up with the disgusting food being served up on camp, vat cleaning duty allows them to see the truth about double-standards, and Lilley manages to put himself forward to make a formal complaint.
Alice threatens to walk out on Marsh when he's busted back to corporal, Lilley worries that trades training will mean an end to new friendships, and Richardson aims a little too high when he puts in for a commission.
Richardson starts to panic when his last minute revision refuses to go in, Marsh thinks he's got it made after taking a chance to cheat on his exam, and Leckie surprises his mates by announcing that he's getting married.
The lads make their way up to Lancashire to train as nursing attendants, Smith's delighted when he finds that there are WAAFs on the camp, and any thoughts of an easier life go up in smoke when an old face walks in.
The lads curse Alice for lumbering them with a selfish snoring nuisance, Marsh announces that a coach will soon be departing for Blackpool, and an Hawaiian theme bar provides opportunity for an unexpected reunion.