Long-awaited summer vacation - but, 5th grade of Kento Tanabe will not get take me to play to anywhere. Natsuyasuminoshukudai, and do not draw at all, "the city of the map". Despite a promise to each other to show the transfer student and map sign in to post a thought, I do not know what do I draw what the city. One day, which was followed by such moyamoya, in the wake of the trouble with the man of mystery "junk man" who live in the mountains, people uproar winding occur .... Family problems and, of mystery drawn by the transfer student map and unidentified junk man,. Despite various problems, Kent over came in from the city. To rely on their own eyes and ears, bomb experience, post-war reconstruction, the station re-development, such as the family walks, discovered did not ...