London Wall is a wryly comic look at the life of women office workers in the 1930s. In a solicitor's office in the City, Brewer, the office manager, sees pretty new 19-year-old typist Pat as fair game. As some of the more experienced secretaries try to warn her, and others leave her to her fate, her steady boyfriend - an idealistic young writer - desperately tries to win her back. Meanwhile, cynical Miss Janus' romantic life seems to be over...