Updated for the time in which it was produced. The Secret Weapon finds Sherlock Holmes sleuthing with WWII as a backdrop, and a good thing too. It seems Holmes' greatest nemesis, Professor Moriarty (Lionel Atwill) is now i... more »n cahoots with the Nazis, a diabolical alliance that only Holmes, along with his trusty sidekick Dr. Watson can fracture. Working against time, Holmes must prevent Moriart from gaining access to secrets that will enable him to build a devastating new bomb. The fate of all humanity lies in the good detective's hands.« less