One day, without knowing how or why, the birds of a big city leave, disappear. It is believed to be a protest against environmental pollution. Some children (the Regaliz group), then embark on an ecological campaign to get the birds to return to the city.
On the day of the World Cup final between Brazil and France, Erika Oguihara, a Japanese-Brazilian teenager who rejects her family's traditions, experiences a violence that seems invisible and plunges into a painful sea of emotions.
