With nothing but vengeance to live for, detective Nick Cassidy (Dolph Lundgren) ransacks his way through the Bangkok underworld in pursuit of Viktor Dragovic (Ron Perlman), the human trafficker who killed his family. As the crossfire grows more deadly, FBI Agent Eddie Reed (Michael Jai White) is sent to bring Nick home, while Thai detective Tony Vitayakui (Tony Jaa) questions the motives and methods that have brought Nick across the globe. Through dire circumstances, detectives Cassidy and Vitayakui must come together to destroy Dragovic's human trafficking network.