This movie occasionally manages to be a genuinely amusing send-up reminiscent of "Sherlock Holmes" combined with "Charlie Chan," and even touches on elements of "High Noon," but mostly it’s an overlong and disorganized film. The narrative involves the Manchu court, facing similar geopolitical tensions as depicted in "55 Days at Peking" (1963), sending their top agent to San Francisco to find a traitor. Simultaneously…