After being tormented by an abusive employer, Satoshi Kamakura has lost all hope and spends his days holed up in his apartment with garbage piling up. However, when his landlord comes to investigate a broken window, he ends up meeting Katsuyoshi Arai, his cheerful neighbor. Not wanting to see him be evicted, Katsuyoshi offers to help Kamakura clean up the place. As the cleanup progresses, though, they start to discover more than just garbage and form a bond that will shape their future together.