When Hannah Greenwood is murdered at the Queen's Jubilee, suspicion falls on the members of her literary circle. The case makes a baffling turn when it seems that no one has a motive for the murder. Since Inspector Witherspoon was a guest at the ball, the job of finding the murderer falls to him. Fortunately, Mrs. Jeffries is there to help him read between the lines...and identify the guilty party behind the deadly plot.