With Galvanax's defeat and Brody and Aiden's reunion with their father, all finally seems to be safe in Summer Cove. But when the Rangers are alerted to Madame Odius's presence on Earth, they discover that she has obtained the powerful Ninja Super Steel and is still after the Ninja Nexus Prism! Luckily, the Rangers are able to use the powerful new steel to create brand-new Ninja Power Stars. It's going to take everything in their arsenal, including a new Megazord given to them by mysterious strangers, to protect the Ninja Nexus Prism and defeat Odius once and for all!