Whatever....

NINJA NIGHTMARE-1980-During WW2 some American soldiers kill a Japanese general and rape and kill his wife. They also kill the one American officer who protests. All the while their young son Kimon watches the horrible scene in hiding. Over 30 years later the troop (Cameron Mitchell, Stack Piece, Hal Bokar and Phillip Baker Hall) gets together for a reunion and the young son now an adult ninja (Leo Fung) seeks revenge. Fong was one of the producers. It's very disjointed and badly made. 

This is the only feature made by director Jay Wertz. 

It's walso known as THE LAST REUNION.

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