One evening two brothers see what appears to be a UFO in the sky. Whether or not that was the case becomes irrelevant, but it does spark an interest in space and the two brothers make a promise to go to space one day. Now, many years later, the younger brother Hibito is about to realize his dream, while the older brother Mutta just got fired from his job. After an aimless period in his life, his family helps re-ignite his fire and he becomes an applicant to the Japanese space agency in the hopes of making it up there some day.