In Castlebay, North Wales, Dick Merrill is on trial, accused of murdering his wife by administering a lethal dose of arsenic. Merrill, good-looking and attractive, is fatally in love with Margot Stone, who's herself already married. Philip Vane, a lawyer whose career was mysteriously ruined, finds himself similarly infatuated with Margot when he becomes personally involved in Merrill's sensational murder trial. A shadowy figure, Vane's participation in the trial is twisted and erratic--will the outcome be as unpredictable? A classic thrilling courtroom drama filled with unexpected twists and...

"What type of skulduggery is the Master Mind contemplating this time?" That is the question put to Jimmy Strange by his long-suffering girlfriend Sandra. But the answer always depends on which type of criminals Jimmy is pitting his wits against. Whether they are poisoners, gunmen, murderers, drug dealers, or jewel thieves, they are all operating, untouched, outside the law -- until Jimmy enters the scene -- and he is not averse to using their own methods against them...