Venezuelan horror movie from 1980.

As José Abreu “Guanipa” is transferred with a group of prisoners to the Guasina camp in the Orinoco Delta, he recalls the torture he was subjected to by SN (National Security) henchmen in order to obtain information about the resistance. In Guasina, the prisoners are subjected to forced labor while they plan their escape. Guanipa is released after signing the bond and the rest of his companions remain in the camp.