Zane and Echo are in a tight knot with Dr.Julien. Dr.Julien is trying to get them back, but it almost seems that he wants Echo more than Zane. Zane is wondering if he was a mistake.......

Life on Earth is never the same again. Monster island, a military base and tourist attraction dwells Godzilla, Rodan, Kumonga and two new kaijus, Cera, a gigantic triceratops and Judas, a giant great white shark 15 times the size of a sperm whale where they are stalled in case they are needed. But peace never seems to last. Mothra, a divine moth and goddess of infant island sensed a great disturbance and she flew to monster island to warn the monsters about the threat. In space, The emperor, an evil alien with a never ending hunger for power, targeted planet Earth to conquer next. Although the humans have the Earth monsters to help them, but will it be enough to stop the empire?

Zane has a terrible cold which would turn into a terrible sickness that he can die from, it's only for nindroids and everyone tries to help until there's an antidote that they have to earn. Will Zane die a second time? Or will he be saved??

Zane and Pixal have been reunited again. After Zane had built Pixal a new body, their love has been stronger than before and Lloyd, Kai, Cole, Jay, Nya, Wu and Misako are very happy for them. But Cyrus Borg, Ninjago City's most popular engineer, starts to think that nindroid's shouldn't have feelings. He thinks that Zane is taking Pixal away from him. When Borg beats up Pixal for loving Zane, the Titanium Ninja is determined to protect the girl he loves. And Cyrus is determined to tear them apart. P.S: May contain some mature content. Maybe. Also, I don't own Ninjago. Lego does.