This article describes a custom creation, custom theme, or other fan material, made by a Brickipedia contributor. It has never been, is not, and will not be officially released.
This is a custom set by Surtatb2007. It includes Joe, Kai, and Teng.
Kai disguises himself as a police officer and finds out Joe's house was robbed. He goes there and finds the evil Teng. Teng breaks into Joe's shed and gets a key. Then Kai learns that Joe is Sensei Yang's grandson and Joe knew Spinjitzu and Airjitzu.