 Rodrigo Mascareno (Sergio Goyri), ex-leader of an elite police force, is brought to justice for having avenged his family who were murdered by members of the Mafia. His loyal friend Salazar (Angel Moro) helps him escape from the confinement. Desperate and ferocious like a wounded beast, Mascareno searches for the Mob bosses (Lina Santos and Roberto Ballerteros), not realizing that corruption has a way of reaching the most unsuspecting places.