Hijiri, who lives with her husband in Tokyo, has become accustomed to spending every summer at the house of her sister and her husband who live in the countryside. His brother-in-law, Seiji, had a longing for Hijiri, but he kept his feelings deep in his chest. He tried to get wild vegetables to distract himself, but Hijiri, who said he was free, would accompany him. A few hours later, while the two of them were happily picking wild vegetables in the mountains, they were suddenly hit by a heavy rain and evacuated to a nearby mountain hut. - I didn't come to pick her up, and I was alone with Hijiri until the morning ... In such a situation, Seiji can't suppress his hidden feelings ...