A professor faces a double of himself and hires a detective to find out who that is and what are his real intentions.

Two twin brothers, Cláudio José and José Cláudio, definitively separate when one of them decides to leave for the big city. Years later, the second brother also started living in Rio de Janeiro. One night, he is attacked by three thugs, who kill his pregnant wife and leave him disfigured. In search of revenge, he follows in the footsteps of his brother, who will find himself working for a crime figure. And in pursuit of his discoveries, he began to wage his revenge against the criminals on the same level as he had been confronted.