Eva is a prostitute who earns her living at the town cabaret. On Sundays, however, she abandons herself in the arms and passion of José in an oasis of sexual pleasure. The problem arises when Josep's son appears who also desires her.

Jose, a mountain rancher in northern Argentina, meets and begins an affair with Eva, a beautful but mysterious woman who is the mistress of Simon, a local gangster from a nearby village, which complicates things more when Jose's son Mario returns and also begins a romantic relationship with Eva which brings out jealousy in Jose.—Anonymous