Víctor and Alba have been dating for three weeks: he wants sex, but she is hesitant because she is still a virgin. After an uncomfortable situation, Alba decides to go home, but before that, Víctor proposes to discuss the matter a few hours later. During that space of time, Alba will have to make a decision regarding their relationship, but a strange encounter with Lorena will change the course of that afternoon. After hearing some rumours, Alba will begin to investigate the past of the mysterious Lorena.