Abner had just about overcome his horrible suspicion that Lum was plotting his death in order to collect the insurance money from the partnership policy when he found out that the name of the small book Lum had been furtively reading all afternoon was Murder At Midnight. Squire Skimp had given Lum the book to relax his mind and help him forget the suspicions that he was building up against Abner in his own mind! Let's see what happens next...