Revenge Of The Ninja 1983

When a band of Ninja assassins slaughters the family of Cho Osaki (Sho Kosugi), he flees to America in the hope of building a new life. A former Ninja himself, Osaki tries to escape his deadly past but soon discovers he has become the pawn of a ruthless drug trafficker - an American Ninja intent on killing anyone who crosses his path... including Osaki!