A group of martial artists from around the world search for a book that contains the ancient secrets of how to overcome the limits of the human body. A group of martial artists from around the world search for a book that contains the ancient secrets of how to overcome the limits of the human body. Upon the empire’s fall to invading conquistadors, the 16th-century Incas quickly concealed a sacred manual containing the secrets behind their deadly fighting technique. But after centuries of careful safeguarding, the manual is again at risk of falling into the wrong hands, leaving its rightful guardian to battle the world’s greatest assassins to protect the ancient secrets within.