Roger 'Handsome' West of Scotland Yard is called to the West Midlands to help solve a mysterious double murder that has taken place in a large printing works. The victims were lovers and so suspicion falls upon the dead woman's husband. West ends up charging him, but then the printing works is sabotaged and there is a further murder. The local police are not impressed by West's methods, and he also realises that there is more to this case than originally thought. Just what is going on and are there more killings in the offing?