
When the Menacing Belial resurfaces with an army of powerful combatants in another plot to take over the galaxy, Ultraman Zero begins to build up of a new band of comrades, both human and alien, to defeat Belial again.

Hana Ichii attends a school that she admired since she was a child. One day, she wakes up and finds herself locked in a cage with her classmates. They are forced to take part in a survival game using their cellphones.