Haruko is a single mother. She has an unusual living arrangement. She lives with her son Riku, her friend Aiko and Aiko's boyfriend Sorao. One day, Yuko stays at Haruko's house to attend an art institute for the summer. Yuko is the daughter of Haruko's old friend Tomoyo. They haven't spoken for many years prior to Tomoyo reaching out to Haruko to ask if her daughter could stay with her for the summer. Haruko and Tomoyo have an uncomfortable past.

现年25岁的厚生劳动省官员鹰野工作繁忙，挣扎于理想与现实之间。他看到一份“因非正规就业而自杀者”名单上有位与自己同龄的年轻人，便开始调查其死亡原因。翠是一位三十多岁的剪纸艺术家，尽管也想生孩子，但与丈夫的关系让她感到不自在。中学二年级的一名班长在帮助朋友后遭到欺凌，为了不让单亲母亲担心，他独自保守着秘密。三人的生命交错在一起时，语言的力量超越了时间，乌云密布的天空闪现出一丝希望。本片改编自英年早逝的和歌诗人萩原慎一郎所著的同名短歌集。