A Time of Traitors

Plot:

Kai's investigation of a Vermillion Warrior Helmet leads him to discover that Krux is alive and well in Ninjago, living under an assumed identity. Meanwhile, as the Vermillion Warriors go on a kidnapping spree, Lloyd struggles with his role as master-in-training and Nya does her best to reboot Zane, who was knocked off line in his first battle with the Vermillion.