Bruce Wayne (Christian Bale) witnessed his parents being shot and killed by gangsters in the streets of Gotham City when he was a child, and Wayne was full of anger. After inheriting his father's billions of dollars, Wayne began to travel around the world, hoping to avenge and fight crime with his own strength! In order to understand the psychology of criminals, Wayne personally experienced the feeling of crime in Asia, and was finally arrested and imprisoned. In prison, he met Duka, a martial arts master, who taught Wayne martial arts and tenacious willpower. Wayne was soon spotted by the mysterious Shadow Ninja League, and the Ninja Master always wanted to invite him to join. Wayne soon discovered that the Shadow Ninja League had other intentions for his hometown Gotham City, and he resolutely returned to his hometown. Wayne found a basement in his manor, and from then on he had another identity - Batman. Batman began to fight against the darkness shrouding Gotham City.