Lee Cantrell, a young San Francisco attorney by day, at night becomes a samurai warrior, and battles a crazed multi-millionaire who is planning to destroy the city with an earthquake machine.

Dr. Janet Furie comes to believe that her husband and fellow scientist were set up to die in a lab accident. She blames another scientist, not only for the murder but also for taking credit for her husband's groundbreaking work. When she can't prove her husband was murdered, she spins a web of intrigue and deceit that results in the suspected scientist being framed for another murder that never actually happened.