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.

A middle-aged man has just moved in to his new apartment. Everything is doing great, until his upper floor neighbor starts to say "hi".