Well, it's hard to find a more dated film than this but it was fun to watch, and brought back memories of old westerns on TV, the Cisco Kid (yes, in Hong Kong), and Saturday morning serials. At one hour's length, this short film manages to include sharpshooting variety acts, World War II espionage, German secret agents, comedy, a Japanese attack on Hong Kong, and quite a few familiar names--especially if you were a kid in the 50s and glued to the TV. I was never quite certain whose side "Valarie" was on, but Marjorie Lord in that role did a great job.
I live in Hong Kong and am trying to accumulate the few western-made old films with HK themes or settings. It's not as easy as it sounds, and this was one of the prize catches. No wonder so few people have seen it. IMDb mentions that an alternate title was "Adventure in Sumatra" and I'm not sure why that is, since there is nothing whatsoever about Sumatra in this film.