سرایدار در ژاپن درگیر موسیقی راک و شغل خود می شود و گذشته او به تدریج از طریق یک سری برخوردهای غیرمنتظره آشکار میشود. Hirayama seems utterly content with his simple life as a cleaner of toilets in Tokyo. Outside of his very structured everyday routine he enjoys his passion for music and for books. And he loves trees and takes photos of them. A series of unexpected encounters gradually reveal more of his past.