Young Anthony Pendrell plays the precocious son of Scotland Yard inspector Norman Shelley. Pendrell's efforts to emulate his father usually results in nothing but irritation for his elders. But when a boarding house becomes the headquarters for a criminal gang, it is Pendrell who cracks the case.
Northern comedy greats, Jimmy Jewel and Ben Warriss, decide to enlist in the army. Their singing sergeant-major, the Irish tenor Josef Locke, misappropriates the mess funds. When he picks on Jewel and Warriss, the duo’s comic routines come thick and fast.
American scientist Dr. Frank Smith is brought to Britain to help the C.I.A. There is a defecting East block scientist they want him to debrief. The commies are less than amused and set Dr. Smith up for a murder.
Great Britain has had an international agreement for the last 50 years with a small pacific island. It has been ignored until the death of their king brings it to the attention of the Foreign Office in Whitehall. They decide to send Cadogan de Vere Carlton-Browne to re-establish friendly relations.