Lucio after selling his wife's house to his brother in law does a pact with "satan" (leader of a gang), in order to rob his brother in law and his family while making him believe they still had the money to buy the house. In the robbery his sister in law dies and so does her unborn baby. The husband gets wounded but swears he will get revenge against Lucio and to do so he becomes a cholo and starts his search for the gang members that killed her wife.