The film starts out well with great music, and video sequences of two Ninja fighting on a totally black background floor etc.
Unfortunately the body of the film is awful containing no Ninja fight scenes whatsoever - only thugs running around beating up on people with endless boring and badly dubbed dialogues.
The ending is accompanied by the wonderful music at the start and a fight scene between two 'ninja' in plain clothes. Sneakers etc. The fight itself is reasonable.
The ninja who dies at the end is none other than Hatsumi Masaki, one of only several living grandmasters of the Ninjutsu martial art.
Cheers, nazz..