Roberto Borges is a professor of the master's degree in Ethnic-Racial Relations at Cefet-RJ - a course he helped create. Professor Heloise da Costa is carrying out, in a municipal school in Vila Cruzeiro, a slum in Complexo da Penha (RJ), a project that works on the construction of the identity of black children. At 42, Adelson Martins tries to finish high school and run his own business, a locksmith, with the help of his wife. The film is a look at these three characters, addresses some of their achievements in the anti-racist struggle, in addition to raising questions about racism in education.