The story of three sisters and the men they marry: one is happily married but childless, the second promiscuously escapes an unhappy, loveless marriage, and the third is tortured by the mental cruelties inflicted by a domineering husband.

A group of travellers, each with a personal problem that they want to hide, arrive at a mysterious Welsh country inn. There is a certain strangeness in the air as they are greeted by the innkeeper and his daughter. Why are all the newspapers a year old? And why doesn't Gwyneth seem to cast a shadow?

During the War seven women from very different backgrounds find themselves together in the Auxiliary Territorial Services. They are soon drilling, driving lorries, and manning ack-ack batteries.

Sports journalist Colin Metcalfe is picked for the job of foreign correspondent in Norway when Hitler invades Poland. On the way to Langedal his boat is attacked by a German U-Boat, however when he tells the navy about it they do not believe him and, to make matters worse, he is removed from his job. When German forces invade Norway, Metcalfe returns determined to uncover what is going on and stop the Germans in their tracks.

Eccentric Cambridge archaeologist Horatio Smith takes a group of British and American archaeology students to pre-war Nazi Germany to help in his excavations. His research is supported by the Nazis, since he professes to be looking for evidence of the Aryan origins of German civilisation. However, he has a secret agenda: to free inmates of the concentration camps.

The Four Men of the title are British WWI veterans who decide to work secretly against enemies of the country. They aren't above a bit of murder or sabotage to serve their ends, but they consider themselves to be true patriots.