The story centers on Giuseppe, a man known in his town as the "Obsessed Man," due to his tendency to be obsessed about a particular thing for short amounts of time, during which he pays no heed to anything else. One day, he sees a balloon seller named Pechka, and he falls in love at first sight. Though Giuseppe tries to get close to Pechka, the sadness that Pechka holds in her heart keeps him at a distance. Giuseppe enlists the aid of his mouse friend Cielo, as he uses the things he was previously obsessed about to slowly help Pechka.
