Episode Details

A mad scientist, who is dying from an incurable heart disease, builds a time machine to keep him alive to relive December 31 over and over again just so that he can repeatedly kill his cousin who has wronged him. Lamont Cranston and Margot Lane are the only two conscious enough to realize the repetition of New Year's Eve and try to figure a way to end this madness.  Commentary on the concept of time travel and how it could ruin  or enhance a dramatic plot.