James Elwood is called in to replace a computer programmer named Fred when Fred proves unable to resolve a functional error in the world's most powerful computer, codenamed Agnes. Elwood fixes the problem, and emboldened by his promotion, asks out a co-worker he has long held a romantic interest in, Millie. While Elwood is using Agnes to solve computational problems for Cape Kennedy, Agnes stops providing answers and insists on discussing his upcoming date with Millie.