It was Gordon Chestel's Lucky day - or so he thought! A man about town and a crooked opportunist, he grasps at the chance to enrich himself after a big bullion robbery in London. His sly scheme never materialises, however, for that night he is murdered. Detective-Superintendent Bradley and his sergeant, Bill Firth, become involved in the case, and have barely unravelled it when they are faced with a second murder. Meanwhile, the bullion robbery investigation is still proceeding with the suspense never relaxing for a moment. A crispy told story with a tense and powerful climax.