The lads from hut 29 find a letter about a course in the South of France, Bullimore can't help being suspicious about a change in behaviour, and Popplewell tries to learn French in the hope of meeting Marilyn Monroe.
A new officer takes charge of the depot while Upshot-Bagley's away on leave, news of a fire precaution check is seen as an ideal way to prove himself, and smoke canisters are brought in to get the lads on their toes.
