Private detective Germán Areta el Piojo gets a terminally ill client who wishes to see his long lost, runaway daughter before he dies.
The Count of Capranegra, accompanied by his chamberlain, travels to Soborlskaia to claim the castle of his great-great-grandfather who died in strange circumstances. But to get the fortune he must first pass a difficult test.
Based on a true story, the film narrates the life of a fictitious Peronist union leader who, after years of militancy, gains power in the union during the 1960s and gradually becomes a corrupt bureaucrat.