The trail of a missing man who might be dead leads The Toff onto familiar ground - the dark, shadowy streets of London's East End. Then the trail blocked by a curious character, The Hammer. The Hammer seems to be the perpetrator of more than one particularly nasty crime yet he does 'good works' and is almost worshipped by many poor East Enders. Is his philanthropy merely a cover for murder and blackmail? Abandoned by all the people who could help him find the man he is seeking - including the police and a beautiful girl - The Toff is forced to take a desperate gamble to discover the truth...