Stream the full Madame Sin movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.
Bette Davis is , a sinister-looking, totally evil, half-Chinese woman who indulges in endless machinations. Ensocnced in a Scottish castle that is packed with an array of spy gadgetry, she runs afoul with counter spy, American CIA agent Anthony Lawrence (Robert Wagner), who is out to counter her plots for control of a Polaris submarine.