Tequila Blue is set in Mexico City. Carlos Hernandez, Carlito to his women, is a police detective with a complicated life. A wife, a mistress, children by both and a pay-check that never seems to arrive. This being Mexico he resorts to pimping, blackmail, money laundering and arms dealing to finance his police activity. The money for justice must be found somewhere. The corpse in the hotel room is that of a gringo with a weakness for blue movies. Carlito's maverick investigation leads him into a labyrinth of gang wars, assassinated prostitutes and corrupt politicians.