Mrs. Slocombe sells her home-made perfume. After a misunderstanding, Mrs. Peacock finds Captain Peacock without his pants (perfume had spilled on them) and the ill-fated trousers in the hands of Mr. Rumbold's secretary.

Mr. Humphries is accused of stealing and his distinguished career could end in disgrace. In a trial, he is found guilty and dismissed, but Mr. Harman finds the missing money in the back of the till from which it was supposedly stolen.

When the handsome golf pro from Sports comes to the floor for a demonstration, he accidentally hits Mrs. Slocombe. She then thinks she's a little girl, wrecking havoc on the store as she cavorts around the department.

The staff perform a play on CB radio to advertise Grace Brothers. The play results in the store being swamped by truck drivers who are driven off by Mr. Humphries and Mrs. Slocombe.

Bad news. Grace Brothers may be bought by the Japanese. The staff take their problems to Number Ten, where they speak with President Reagan by phone. Mrs. Thatcher gets fashion tips from Mr. Humphries.

When Mrs. Slocombe's cat turns up missing, she decides that only Mr. Humphries could take its place.