Neurotic middle-aged New Yorker Mel Edison is fired from his advertising job, forcing his loving wife, Edna, to become the couple’s sole breadwinner. Feeling emasculated, he begins to fall into a depression. A summer heat wave, unthoughtful neighbors and a robbery only worsen matters. When Mel finally suffers a nervous breakdown, he relies on those closest to him, including Edna and his brother Harry, to restore his sanity.