The final entry in Michael and Johnny Mak's Long Arm of the Law series, Underground Express once again tells a story of gangsters versus police, focusing on the difference between how both factions act depending if they're coming from Hong Kong or Mainland China. There's some decent action that delivers a high body count, but the rushed production and editing that was obviously and clumsily done to avoid a Category III rating regulates this to being just another average Hong Kong cops and robbers flick.
Hard-edged cop John Kimble gets more than he bargained for when he goes undercover as a kindergarten teacher to get the goods on a brutal drug lord while at the same time protecting the man's young son.
Hick handymen Val McKee and Earl Bassett can barely eke out a living in the Nevada hamlet of Perfection, so they decide to leave town -- despite an admonition from a shapely seismology coed who's picking up odd readings on her equipment.
Sam Wheat is a banker, Molly Jensen is an artist, and the two are madly in love. However, when Sam is murdered by his friend and corrupt business partner Carl Bruner over a shady business deal, he is left to roam the earth as a powerless spirit.
Lyon Gaultier is a deserter in the Foreign Legion arriving in the USA entirely hard up. He finds his brother between life and death and his sister-in-law without the money needed to heal her husband and to maintain her child.