Night falls and the noisy and chaotic population of the city of Rio de Janeiro goes to their homes, preparing for a new day. But while most people sleep, how does the city function? Early morning seems, to unaccustomed eyes, something lonely and even scary. What is life like, then, for those who work and live while the city sleeps?

Julia lives lonely and apathetic in a technological house, sharing her life only with an artificial intelligence assistant named Lukas. However, when an online date doesn't show up, the AI ​​makes a frightening revelation.

Catarina is a young woman from the Baixada Fluminense who struggles to adapt to the changes in her life and in the Brazilian political scene. Still mourning the death of her mother and hopeless about her future prospects, she sees her adult life taking shape abruptly. While trying to learn how to grow up and how to deal with all this pressure, Catarina ends up developing a strange obsession with fishes.

Catarina is a young woman from the Baixada Fluminense who struggles to adapt to the changes in her life and in the Brazilian political scene. Still mourning the death of her mother and hopeless about her future prospects, she sees her adult life taking shape abruptly. While trying to learn how to grow up and how to deal with all this pressure, Catarina ends up developing a strange obsession with fishes.