This is a relentless and very impressive action/martial arts movie. The fight scenes are probably from the best ones I have ever seen and the understated performances of the protagonists fit perfectly here. I m wondering how did I miss this 10 years ago...probably because it's Indonesian! Written and directed by a Welsh guy -who discovered the Indonesian lead Iko- together with a tight editing and insane fight scenes (mostly Indonesian and some mixed martial arts) makes this a must to watch for fans of the martial arts genre and not only. If you want to stay bolted at your seat while watching an action film -and you don't mind of course the violence- then check this out. From the top 10 contemporary martial arts flicks out there, 9/10.