In Colombia, Demetrio and his father of the same name live a history of political struggle and violence in relations with a group of priests. During 40 years they'll live and act in the armed conflict between the conservative and the liberals; and pass down the acts of violence through the generations.

The neighborhood La Estrella, in Bogotá, is inhabited by families displaced by the violence. Before the event which is the arrival of the electric light, that night there is a celebration. Cristancho and Brochero families, neighbors, friends and leaders of La Estrella, will be involved in a series of incidents and jokes.