Argentina, the seventies. A desperate young woman turns to a clinic that performs clandestine abortions. Upon discovering that she is in her fourth month of pregnancy, the doctor refuses but proposes to sell the baby to some clients of hers, offering her refuge in her home until the child is born. The disturbed personalities of both become intertwined in a strange and dangerous relationship, which is only broken by a dagger in the hands of one of them. Half suspenseful thriller, dripping with blood, half psychological study of a toxic relationship. Like a movie inspired by a gory adventure novel, it is, nonetheless, a formally refined gem that already encompasses all the qualities of a cult blockbuster.