In a crime-plagued area of Rio de Janeiro, a team of honest cops, including a determined rookie, fights corruption and mistrust on all sides. A group of honest police is sent to a country town to solve the problem of high crime. Soon they solve the problem while newcomer Francis (Cléo Pires) must overcome their limits to prove that it has value. They are acclaimed by public opinion. But before long the application of the force of the law begins to annoy everyone and the true enemy is revealed. Is our society is prepared for an honest cop?