An ex-CIA agent bids to halt a world-threatening heist by Madame Sin - the power behind a financial empire and architect of the greatest crimes in history. She lives in a world of bizarre futuristic science and weaponry. Diabolical as she is brilliant, Madame Sin plots to steal the United States' latest secret submarine and sell it to revolutionaries for billions of dollars. She needs ex-CIA agent Anthony Lawrence and abducts him to her private island. Lawrence manages to escape the island fortress and thwarts the plan - only to discover he is not out of the reach of Madame Sin.