Jack and Jenny Carlton, twelve-year-old twins, always manage to find themselves an adventure. When their dad informs his twins that they will be accompanying him on a business trip to Hong Kong, the two minds go into overdrive. It doesn't take long for the two siblings to stumble onto a diamond caper and the chase is on across Hong Kong; the Star Ferry, Aberdeen, the Peak, and hot spots of Asia's pearl. As they work to solve the caper the Carltons...