In the idyllic hills and valleys of a region in northern Spain, a fight to the death ensues: Gildo (Juan Diego) kills his neighbor Severo (Celso Bugallo). The motive is an argument over a lovely fat milk cow. But there are more than just cows in the deep Pas Valley. Young women like Genia (Clara Lago) long for a good pair of hiking boot, and learn belly dancing. Val (Marta Etura) and Genia are Gildo’s daughters. One works from sunup to sundown, while the other goes to school. Rai (Luis Tosar), the victim’s son, comes to his father’s funeral. Rai feels attracted to Val, the daughter of his father’s murderer. Val starts dating Rai, giving into his romantic impulses, as instructed by her father, who wants to find out how much Rai knows about the homicide and who committed it. Rai also hopes to learn something about his father’s death from Val. Little by little, their investigative intentions turn into real love, a love that is a threat to everyone.