Bette Davis plays Madame Sin, a cunning and ruthless villain with a Scottish castle filled with advanced spy technology, who clashes with CIA Agent Anthony Lawrence (Robert Wagner) as he tries to thwart her plans to gain control of a Polaris submarine.
Madame Sin
A cunning woman masterminds a daring heist, using her wit and charm to deceive a CIA agent and secure a highly classified Polaris submarine.
