Martial artist Takuma Tsurugi returns to take on a Yakuza family that may be embezzling money from charities to finance their own operations. Both the police and the Yakuza find themselves battling Tsurugi, but Tsurugi's fight ultimately is with the mob, and he concentrates on them.
Terry Sugury is hired to recover one of two tapes containing a formula for making heroin for a price of 200 dollars a pound. But he gets double crossed. So he wants the tape back.
A high school science teacher is the butt of all his students' jokes, until their bus is hijacked on a school trip. But something more sinister lurks beneath the surface: he's building an atomic bomb in his apartment.
