Cosmopolitan and provincial, Curitiba can be a good synthesis of conflicts. Through the stories of four characters who don't know each other but whose fates are intertwined—a car dealer, a motorcycle courier, a bus driver, and a paper collector—the film chronicles the daily struggle for survival.

An astronomer is forced to leave the city where he lives in order to save his relationship. He ends up returning to the place he never intended to come back: The small town where he was born, stage of a great childhood trauma. Once there, he will discover the truth that will change his life forever.