It's 1967 and 27-year-old Pan Am stewardess Susan Delaney's highest aspirations are working first class on transatlantic flights... and meeting Mr. Right. That is, until one July afternoon when Susan agrees to deliver an errant suitcase from New York to Miami Beach. She arrives just in time to find that its owner has jumped - or been thrown - off a hotel balcony. The suitcase Susan is carrying contains detailed plans for a computer on a chip, an invention...