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The story of three friends in Rio de Janeiro: Leon, a sociology student; his girlfiend Leticia, an architecture student; and Paulo, a medical student and Leon's best friend and roommate. When Rosalind, a leukemia patient at the hospital where Paulo interns, asks him to get in touch with her sons, the three friends are pulled out of their relatively tranquil lives and drawn into the violence and police corruption in one of Rio's infamous favelas (imdb)