All children are in the Trabalhópolis park. Everyone except Oswaldo, who was left out for being too lazy. Revolted by the idea that his colleagues have of him, Oswaldo decides to work, and soon understands the harsh reality of playing at work. Upon discovering what the new park was hiding, Oswaldo tries, with the help of his friends, to reveal the truth about the park. Even in prison, he manages to unmask Trabalhópolis, and the children rebel against the system, reliving the amusement park as it should be, and all go back to playing. Everyone except Oswaldo, who is too lazy to get out of prison.
