Our heroes' fight against Empress Beatrix brings them to the brink of crisis: the ninja confront Beatrix in the streets of the Empire, while Sora and Arin support the resistance to bring the people to revolt against the Empress. Quakes erupt across the empire and threaten to reach Crossroads. Lloyd must build his connection to the Source Dragon. Will our hero manage to save Crossroads and the connected worlds?

Our heroes once again have to face great challenges: While Kai teaches Wyldfyre the importance of remaining calm, Arin and Lloyd maneuver their way through the administration to save Zane. When they return to Imperium, the ninja must face the Empress's thirst for power and her new weapon to retrieve the dragon cores.

Kai and Wyldfyre fight for the first dragon core at the Lava Tides. Arin and Lloyd find another dragon core, but still face challenges... Sora and Nya have landed in the Land of Lost Things on their search for the third dragon core and meet the lost Cole. Will our heroes succeed in their adventures?

New challenges await our heroes: Kai and Wyldfyre are looking for energy cores and thus encounter the lava tides. But her jokes don't go down well with them. Zane and Mr. Frohicky try to get money. They see their chance in a Zane doppelganger contest. Mr. Frohicky wants to do everything right in the monastery, which goes completely wrong, and when Nya tries to use seeker stones, she puts a curse on herself and Sora.

The ninja have settled in with the dragons in the monastery. Lloyd works hard to ensure that the monastery shines and shines as it once did under the leadership of Master Wu. Zane has collected a lot of data about what happened and reveals his information to the others. Nya makes a discovery on Zane's maps and the ninja decide to head out. Lloyd and Arin arrive at a city in the water in their flying glider, where they are immediately attacked by its residents and a giant crab.

New adventures await our heroes: Arin and Sora are still looking for the dragon Riyu and Lloyd is fighting with Wyldfyre against Rapton and the claws of Imperium. Kai and Nya want to solve the mystery with the spirit that brought them together. Lloyd has a plan to buy more time to rescue Riyu. To do this, the other ninja and the dragons have to barricade themselves in Zane's monastery portal. In the portal, Lloyd notices the similarity to the ninja monastery, which gives him an idea...

When they arrive in Imperium, Arin, Sora and Lloyd each have to fend for themselves for the time being. Lloyd meets the Elemental Master Wyldfyre and Sora must choose between her past and Ninjago's future. Meanwhile, Arin and Riyu are having a lot of trouble with the Empire's teenage protection group. Will our heroes be able to face their challenges?

On the way to Ninjago City, the crew discovers the floating cloud kingdom. A fusion earthquake occurs and a dangerous creature is about to destroy the kingdom. To protect it, the ninja search the archives of the fate writers and meet a new elemental master. Sora recognizes an invention that is used to attack the ninja and talks about their mysterious past in the Empire.