Annie Walker, an invaluable CIA operative, embarks on a mission directed by her new supervisor that soon turns into an experience unlike any she has tackled before.

Double agent Sydney Bristow faces the greatest challenge of her life when her mother, an enemy long thought dead, turns herself in to the CIA. As family relationships change and Sydney's friends take on new roles, her life becomes even more tangled and dangerous. Sydney fights to reclaim her life and the action builds to a spectacular climax.

"With this twisted love story, Alfred Hitchcock summoned darker shades of suspense and passion by casting two of Hollywood's most beloved stars starkly against type. Ingrid Bergman plays Alicia, an alluring woman with a checkered past recruited by Devlin (Cary Grant), a suave, mysterious intelligence agent, to spy for the U.S. Only after she has fallen for Devlin does she learn that her mission is to seduce a Nazi industrialist (Claude Rains) hiding...