: You can watch the movie for free on The Roku Channel .
Ma Seok-do, a legendary detective with a punch that feels like a sledgehammer, is sent on a routine mission to Vietnam. His task: extradite a fugitive who has suddenly decided to surrender to the Geumcheon Police’s Major Crimes Unit . But Ma knows that criminals don't just "turn themselves in" out of the goodness of their hearts. A Trail of Blood : You can watch the movie for free on The Roku Channel
: Physical copies are available through retailers like eBay . : You can watch the movie for free on The Roku Channel