Locked Down on AllMovie

A shamed cop must fight to defend his integrity after being incarcerated for a crime he didn't commit, and forced to compete as an underground cage fighter. Danny was a good cop, but now he's serving hard time. His reputation tarnished after an investigation went awry, Danny does his best not to draw attention to himself while he's on the inside. Unfortunately for Danny, the ringleaders of the local cage fighting circuit are determined to lure him into the ring by whatever means necessary. Enlisting the aid of a retired mixed martial arts champion named Irving, the reluctant contender concocts a scheme to destroy the fighting circuit from the inside, and finally reclaim his honor in the process.