Durante un atraco, dos ladrones pierden el control y matan a dos personas, pero consiguen escapar con un cuantioso botín. A continuación deciden refugiarse en una casa de campo en las afueras de la ciudad para esperar a que la situación se calme. La quinta que eligen resulta estar ocupada por dos mujeres a las que toman como rehenes: una de ellas está muy asustada; la otra, en cambio, maquina un plan para apoderarse del botín.

The Colonel of the Extermineitors has discovered that McClain (McClain Randolph), old enemy of the organization, crime has left to live quietly in Iguazu Falls and wants working for him. That's how you develop a plan for Guillermo (Francella) perform McClain recruiting mission. The Colonel knows that William has a twin brother who never met and convinces him that the former offender is his lost brother ... Installed in Niagara, evading the thief who wants to kill Nico, an orphan who is in charge of William, MacClain convince that he is his twin brother, getting together to Buenos Aires to join the group of the Extermineitors.