 Martina (Irma Serrano) is a liberal woman who arrives to a small town, with his godfather. Here, Martina will met with her secret love (Rogelio Guerra), a typical "macho-ranchero" man, demanding her hand in matrimony. But he rejects Martina, claiming that she s not virgin and will return her to the godfather. When the godfather dies, Martina finds herself alone, and she ll begin a sexual adventure with almost the last men in the town, even with the shy chaplain.