Based on the original song by Paulino Vargas, LA CLAVE 7 is a crime thriller set in a turbulent Mexico. When several government agents are murdered by the ruthless drug lord Pedro Aviles, the powers-that-be implement a specialized group, Code 7, to destroy the powerful kingpin. But it isn`t long before the government discovers that Aviles has no intentions of lying down without a fight, causing a battle that will result in even greater losses of life.