A common man that is tired of being treated as stupid, and starts treating other people the same way, acting as a Brazilian "Manosanta" (folk healer that cures people illnesses).

Emilio and Guillermo are two sports club employees, that are fired due to their incompetence at work. They overhead that their favourite girls are going on vacation to Mar del Plata, and they decide to go. Once there they go to the casino and lose all their money, they find jobs as lifeguards.

Two Vietnam War veterans are sedated and thrown into the sea on the orders of a crime boss. Two sailors put on the veterans' clothes and Colonel Morris confuses them and thinks they are the veterans.

The Dragon is in prison ready to escape and take revenge on those who stopped. This will help a mafia organization that moves in the world of illegal betting related to martial arts fights worldwide and also linked to drug trafficking. In prison, the Dragon is a sinister character, McClain (Randolph McClain), an American imprisoned for killing their opponents. But once released sent to compete in the World Martial Arts Championship with Hector Echavarria, Argentine and world champion wrestler.

A frustrated ex-soldier finds a new reason to live by opening a dojo in his neighborhood, unaware that his past is returning in the form of a vengeful enemy.

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.