Carlo is in love with Paulina, but he takes up an offer to study abroad. At a party the last night before he leaves, Julio Montaro, an acquaintance, offers to accompany Paulina home. Carlo hears nothing from Paulina for two years, then when he returns to Argentina, she suddenly reappears and they have a passionate meeting. Just as suddenly, she is gone again. When he tells his friend, Morgan, about seeing Paulina, Morgan informs him that Montaro murdered her the night of the party and is in prison.