The color of thirst (S)

Spain is going through a severe drought that will especially suffer the rural environment. Medardo, a sheep farmer, sees how his flock grows worse and worse and the lambs take less weight. The situation becomes critical when he starts to suffer a series of robberies, driven by the despair of one of his closer neighbors. Medardo will be forced to take a tough decision that will jeopardize the principles of honesty and loyalty that have always characterized him.