Steve's said basically all I'd say.
Just a couple more things ->
Despite the full-on action opener, the story takes awhile to fully warm up. It jumps from Papua New Guinea to HK to Japan to Irian Jaya, and finally back to PNG. From there on, it's full-on action and thrills.
Lastly, I think any New Zealander would be surprised to hear that there are Maoris in New Guinea ;)