A letter bearing the wrong date appears on the door step of Mr. Warner. A day later, the writer of the letter is murdered. Mr. Warner believes there is an underlying meaning to the letter, and that he had a premonition of an ominous happening. While the suspects are few, possibilities are many. When an innocent man is sent to jail, Magnus Hooper, a criminal detective, vows to bring the perpetrator to justice. The web of crime with its intricate knots proves to be a challenge at each step. For Magnus, this proves to be an intriguing game and a precarious gamble.