Godfrey Ho's Enter the Invincible Hero features a loner and a martial arts expert who team up to avenge the surviving members of a village that was slaughtered by ninjas. They come across an unsavory security firm that they decide to straighten out. But they have skills the heroes never imagined
This is a poor action movie, abominable soft porn and something else (unknown) cut together randomly. In reality bad guy (name forgotten) good guy (likewise) and good guy (steve) came from the same ninja empire. One of them has the dreaded manual - a guide to becoming the ULTIMATE NINJA!