Transport strikes leave the staff of Grace Brothers trapped overnight in the store. What at first seems to be a nightmare soon proves to be a chance for everyone to share in each other's companionship.
Mrs. Slocombe has been given permission to store her belongings at Grace Brothers during the moving to a new property. She sets up her own temporary house there, only for the staff to be stuck as flatmates with her due to a transit strike.
Mr. Lucas writes a love note to pretty junior assistant Miss Brahms, but when his words fall into the hands of older senior saleslady Mrs. Slocombe, chaos ensues.
Grace Brothers staff are up in arms over a new, oddly suggestive perfume sales stand, particularly Mr. Grainger, who's lost his beloved centre display to the new perfume counter.
When environmentalism concerns lead to Grace Brothers shutting off its heat for a day - Britain's coldest winter day - the staff improvise new ways to stay warm.
If appearances are to be believed, Captain Peacock may have had an affair with Mr. Rumbold's pretty young secretary - an engaged secretary, no less - but do people have the wrong idea about what happened?
The staff have fun temporarily working in Grace Brothers' toy department. Mr. Humphries enjoys a giant dollhouse, Mrs. Slocombe sells peeing dollies and Mr. Grainger gets sentimental playing with a train set.
In order to qualify for a new pension plan, the staff have to undergo a medical examination. The men's department is embarrassed about having to undress in front of each other, and decide to try dancing to get in shape.
A special dinner is organized to celebrate Mr. Grainger's 65th birthday. But will he be asked to remain with Grace Bros. or will he be given the Cuckoo clock?
