Sherlock Holmes helps one of Dr. Watson's old friends by explaining the source of an odd noise in the man's home, but in doing so Holmes uncovers a more serious mystery.
Sherlock Holmes seeks a rational explanation for the Winthrop family legend, which foretells the death of any family member who unexpectedly finds silver coins in his possession.
Lois Lane and an explorer set out on an expedition through an underground cavern and discover a race of hawk-men. When these creatures prepare a ritual sacrifice for the adventurous pair, Superman comes to the rescue.