Officer Black Belt

“Strike crime before it strikes the world.”

Parolees wear electronic ankle bracelets, and somebody has to answer when one of them gets violent. Lee Jung-do (Kim Woo-bin), a martial artist hired as a contract officer under the Ministry of Justice, is that somebody, paired with probation officer Kim Sun-min (Kim Sung-kyun). Jason Kim sends him through the cases, where Jung-do keeps stopping for people in trouble, his black belt tied around his waist.