An army captain in Argentina learns why his lonely men are deserting to an outlaw's gaucho gang.
Argentina, 1915. Accompanied by a doctor and his beautiful daughter, Köhner, a ruthless foreman who rules a yerba mate plantation with an iron fist, arrives in the city of Posadas with the purpose of hiring workers.
In a fort in the middle of the Pampa, their commander Hilario Castro decides to bring women from Buenos Aires, for deserting soldiers.
