After a year apart from each other, searching for Master Wu. Lloyd stumbles upon the motorcycle gang the Sons of Garmadon stealing an Oni mask. The team is assigned to protect the princess of Ninjago, Harumi. While on their quest to stop the Sons of Garmadon, Mistake reveals to Lloyd that he has Oni and Dragon blood in him, and that the Oni masks will resurrect his father, but only the Lord Garmadon side of him. While undercover, Zane discovers that the leader of the Sons of Garmadon is known as the Quiet One.
Releases after Spider-Man 6: Sinister Six and before Revenge of the Sith
