这部电影讲述了Aiko的故事，Aiko是一位在保龄球馆工作的35岁的哑女，以及与作为邮政运营商的年轻人吉冈的短暂恋情。 当Aiko意外地把吉冈从他的自行车上摔下来后，他们俩见面了，他们很快发生了性行为。 爱子开始准备饭盒，并将他们送到吉冈的工作场所作为表达情感的一种方式，这是她不能口头表达的。 然而，事情发生悲剧性转变。

Description: The film tells the story of Aiko, a 35-year-old mute woman who works in a bowling alley, and her brief romance with Yoshioka, a younger man who works as a postal carrier. The two meet when Aiko accidentally knocks Yoshioka off his bicycle, and they have a sexual encounter soon after. Aiko begins preparing lunch boxes and giving them to Yoshioka at his workplace as a way of expressing affection, which she cannot do verbally.