The Ninja have defeated the all Evil Lord Garmadon and his Skulkin. They defeated the Dark Lord with the help of there Sensei,Sensei Wu,Kai's Sister Nya and their fifth member of the team a young ninja named Siddiq Arcturus Dawson who is the Gray Ninja and the master of Oni,Dragon and Serpent. Siddiq is a orphan ever since his mother died and his father disappeared a long time ago. Siddiq never knew his father since he disappeared when Siddiq was little. The Fight against Garmadon ended but what happens when a week later they meet the Dark Lord's son? What Happens if he unleashes a ancient enemy? what if Siddiq finds out who his father is?