To rid himself of his sponging relatives a man tells them he is really a forger which causes them to leave. His wife believes he is joking, but he has in fact allowed the truth to slip out and now he is danger of being arrested.
A newlywed couple have a fight, and in order to get even with one another, each decides to take up with a lover but without actually going through with "the deed".
At a reception given by Arthur Hilton at his Sussex home the conversation turns to the subject of danger, with Hilton recalling a case in which he was involved as a Natal police commissioner. In it there were three guilty persons, but only one of them was hanged; the other two were sentenced to long terms, vowing vengeance on Hilton. Unknown to him, the same two men are now among his guests, and are determined to have their revenge.
When Matt Denant (Gerald de Maurier) finds himself wrongly imprisoned for manslaughter, he takes an opportunity to escape from jail during a foggy day and is forced to rely on the goodwill of local people to remain a fugitive of the law.
