Cristiano
André es un niño que vive en un barrio industrial de Ouro Preto, Brasil, cerca de una antigua fábrica de aluminio. Un día encuentra un cuaderno de uno de los trabajadores de la fábrica.
Juninho
Juninho, Menor, Neguinho, Adilson and Eldo are young residents of the Bairro Nacional, outskirts of Contagem, in Minas Gerais, Brazil. Divided between work and fun, crime and hope, each will have to find ways of overcoming difficulties and taming the tiger inside their veins.