The clans have fallen into despair, and Goldenstar is doubting his deputy's loyalty to the clan. He receives a prophecy about Swiftleaf, and learns of three kits that will be born to her and a tom, who Lightstar refused to say.
When Lloyd Garmadon Jr. frees the Skulkin Army and his father, Lloyd Garmadon Sr. from the Underworld to take over Ninjago, Lloyd's twin brother, Wu Garmadon, recruits Kai Smith, who is trying to find out what happened to his parents, to join his team of Power Rangers, as the new leader.