James Thurber's short story "The Secret Life of Walter Mitty" is published in The New Yorker, introducing the character to the world.
The first film adaptation of "The Secret Life of Walter Mitty" starring Danny Kaye is released, bringing the story to the big screen.
The modern film adaptation of "The Secret Life of Walter Mitty" directed by and starring Ben Stiller is released, revitalizing interest in the story.
Walter Mitty starts to frequently escape his mundane life through vivid daydreams.
Life magazine is preparing its final print issue, causing uncertainty at the office where Walter works.
The pivotal photograph negative #25, to be featured on the magazine's cover, is lost, jeopardizing the final issue's success.
Walter embarks on a global quest to find photographer Sean O'Connell to retrieve negative #25.
Walter journeys to Greenland and Iceland, encountering various challenges while searching for Sean O'Connell.
Walter travels to the Himalayas to continue his search for Sean, facing physical and emotional trials.
Throughout his adventures, Walter learns to appreciate real life beyond his daydreams.
Walter returns with the treasured photograph, enabling the magazine to create its final cover.
The final issue includes a story inspired by Walter’s transformative journey.
