讲述主人公岩切俊作是一名自来水公司的职员，工作就是拜访未缴纳水费的家庭，然后执行停水。某日，在全县执行限制供水指令时，他遇见了被遗弃的一对年幼姐妹。对于眼前这个穷困的家庭来说，水有多重要不言而喻。岩切对于要不要停水开始苦恼，但最终还是决定遵循规则，执行停水…Shunsaku Iwakiri works for the waterworks division at city hall. His main role is to visit homes and businesses that are behind on their bills and either collect payment or shut off their water. However, he is not happy with his job. In his personal life, he has separated from his wife Kazumi and their child. On a summer day and while performing his job, Shunsaku meets young sisters Keiko and Kumiko Koide, who have been left neglected at their home.
