Several mysterious murders committed by the Strangler Cat threw the whole city into panic, but what was most frightening about them was the complete lack of motive (“The Cat with Many Tails”). There are no motives in the no less mysterious signs foreshadowing possible crimes (“The Origin of Evil”). However, the more mysterious, the more interesting - this is the motto of amateur detective and writer Ellery Queen, who again finds himself in the thick of dramatic and bloody events.