The setting is Victorian London in the 1890's and centres round a gang of petty criminals of which the Toff is a member. 'The Toff' whose real name is Jack Stevens is the main character of the story, he is called 'The Toff' because of his stylish attire. He is always accompanied by his cat 'Amber.' The leader of the gang Joseph Binn, is invited by two mysterious strangers to join in a daring robbery. The story now shifts to the offices of government. The Prime Minister is faced with a problem, his Home Secretary is angry with the Foreign Secretary who continually interferes in the Home Secretary's departmental matters. The Prime Minister forbids anymore interference by the Foreign Secretary into other departments. The Foreign Secretary is approached by a mysterious stranger in the case of an innocent man facing the gallows. If he helps save the condemned man, the stranger will give him details of a big robbery. The execution is delayed with the intervention of the Foreign Secretary. Only with luck is the Toff led to stumble onto the true significance of the robbery and it's far more sinister intent. The foul plot is foiled and in the end Binn, the Toff and the rest of the gang are justly rewarded for their efforts.