Military documentary of how during WWII overseas mail was delivered.

The story sees brother and sister Tom and Ellen Bowen as stars of a show "Every Night at Seven", a Broadway success. They are persuaded to take the show to London, capitalizing on the imminent royal wedding of Princess Elizabeth and Philip Mountbatten.

An Englishman (Leslie Howard) who has been studying painting in Paris for four years, is advised by his art teacher that his work is mediocre and second-rate, and that he lacks promise. So he returns to London, England to take up studies to become a medical doctor, but his older age and introspection make it difficult for him to keep up in his scholastic work. In England, he becomes infatuated - and then obsessed by a blonde, lower-class, slatternly and vulgar, Cockney-accented, illiterate tearoom waitress named Mildred Rogers (Bette Davis)