A ghost from Master Wu's past named Morro somehow returns, possessing Lloyd's body. While the four ninja try to find the First Spinjitzu Master's tomb before Morro, while Nya discovers that her Mother was the Master of Water and she needs to learn her powers. The ninja also meet up with Ronin, a thief who has a past with ghosts.
Releases after The Astonishing Ant Man and before Ultimate X-Men: The Dark Phoenix Part One.
