Julita, a factory worker, finds out she is pregnant, which normally is happy news, but not in this case. She is the victim of premarital sex with Paco. Paco is an auto mechanic who, according to the theories of a certain French biologist as explained by a podiatrist friend, doesn't consider himself responsible. Don Ramiro, Julita's father, is a security guard and considers himself a man of liberal ideas, but when his daughter confesses she is going to have an illegitimate child he turns out to be quite conservative and expels her from the house. To survive she ends up moving in with some friends and working with them at a nightclub where Paco and his friends are regulars. Julita and Paco keep running into each other as they have the same friends. Julita's best friend Paloma entreats her father to forgive her. He finally comes to see her and they reunite. She moves back home in her advanced state of pregnancy. But when her father finds out Paco is the man responsible for his daughter's state, he tries to shoot him to force him to marry his daughter. So Paco ends up helping her and being her birthing coach. They get back together and get married. Julita goes to the church dressed in white with her belly so pregnant, the priest has to shorten the ceremony to avoid her giving birth in the church. Right after the ceremony ends Julita goes into labor and she and Paco race off in a taxi.