Yoon Soy

A hot-blooded young cop and the Seven Masters of unmatched inner strength meet up in this urban martial arts extravaganza!

The Killer-Blade Army has toppled the ruling dynasty, plunging the kingdom into chaos. The only remaining heir, Prince Jung-Hyun is living in exile, unaware of his family's dark fate.

Four elite police officers are recruited as part of a secret police unit, Investigation 5, that was formed to battle violent crimes.