Movies starts with 2 stranger worriors, thise who came across the borders of china. They got arrested by the official. At the same time the chinese are fighting against the alien creatures, those are power yet inteligent creatures. They are instructed by there leaders. The starngers thise whi caught by the chinese army helped them to fight agianst them with there unique fighting abilities. Chinese officialls allow them to fight woth them agianst the creatures. One of those strangers try to rob the secrets of chinese army and ran away, but somehow he got caughted. Chiense army lost many of the soliders in the fight but in the end they manage to win the fight with the help of those starngers. Nice movie to watch for those love action, sci-fic movies.