The Ninja team has gone their separate ways after years of peace in Ninjago City. But one fateful day, the team is assembled once again by Lloyd. Back in action once again, the Ninja discover the darkest side of humanity, and reveal lost secrets. With the help of some original tribes of the Earth, the Ninja must combat a powerful threat, arisen from the darkest corners of the galaxy. Victory comes at a cost, sometimes to great to bear.