Ramon (44), a janitor who practices wrestling, with a strict moral code, sees his career jeopardized with the arrival of David (20), a talented and ambitious young man who dreams of becoming a professional wrestler, so he will slowly start to break his code, realizing that is the only way he has to keep on wrestling. With the influence of Paulina (19), an outgoing and liberal young woman, Ramón will start to be consumed by his own masked character, El Último Lonco, until completely self-destruct and unleash the beast within him.