Red Vendetta is the second season of Ninja Kamui, a TV action series with adventure, drama and science fiction elements. In the first season, Joe, a former ninja who fled his clan to live quietly with his family in rural America, is attacked by assassins from his old organization, who punish him for breaking their code. He returns as Ninja Kamui to avenge his loved ones. He uses traditional ninja skills against high-tech weapons and takes on assassins, combat cyborgs and rival ninjas as he sets out to destroy the clan that trained him.