Walter Mitty, an employee at Life magazine, spends day after monotonous day developing photos for the publication. To escape the tedium, Walter inhabits a world of exciting daydreams in which he is the undeniable hero. Walter fancies a fellow employee named Cheryl and would love to date her, but he feels unworthy. However, he gets a chance to have a real adventure when Life's new owners send him on a mission to obtain the perfect photo for the final print issue.