Jones finds help from his old karate teacher Master Shiro, after his karate skills seem to be diminished, following a botched encounter with some Japanese bad guys at the local power plant. Master Shiro's former student Flung Hi is carrying out his plans to harness various energy sources, in his ultimate quest to take over the city. Jones must train harder to regain his confidence, as he prepares to face his nemesis in the inevitable showdown.