An insane murderer is on the loose, and gunning for the men who put him away. Will Hay is on the list, and co-opts Claude Hulbert to try and stop him from meeting a grisly end.

A professor teaching at a correspondence school discovers that a Nazi agent is trying to prevent a trade treaty being signed between England and South America.

A fatherless boy tries to make his fortune despite interference from his rich uncle.

A man from the countryside becomes London’s newest music hall sensation, and competes with a rival music hall performer for the audience’s attention.

Nutbourne College, an old established, all-boys, boarding school is told that another school is to be billeted with due to wartime restrictions. The shock is that it's an all-girls school that has been sent. The two head teachers are soon battling for the upper hand with each other and the Ministry. But a crisis (or two) forces them to work together.

In a small New England town during the American War of Independence, Dick Dudgeon, a revolutionary American Puritan, is mistaken for local minister Rev. Anthony Anderson and arrested by the British. Dick discovers himself incapable of accusing another human to suffer and continues to masquerade as the reverend.