The Invisible Fight

1973, USSR-China border. Private Rafael is on guard duty when his guard post is attacked by Kung Fu warriors. Rafael is the only one to survive the attack, but he subsequently becomes fascinated by the martial arts practiced by these fighters. Years later, he enters a monastery to train to be an expert Kung Fu monk. However, he will have to prove to his masters that, in addition to being a fighter, he can also be a man of god.