Just arriving from his town to the capital, Roberto asks for accommodation to his ambitious relatives. As he does not bring money, he is forced to work as a bricklayer in a construction in which he lives an endless number of dangerous adventures.

In 1971, two young entrepeneurs decide to organize a race car with lots of indie rock bands livening up the event in Avandaro, Mexico. When only 25 thousand tickets are sold but more than 200 thousand people arrive, things start to get out of control.