After introducing herself, revealing that the Digital World was broken up into Zones, Nene explains to the Fusion Fighters that a Code Crown fragment is proof of ownership of a Zone and gathering them all would allow one to rule the Digital World. After Nene teaches Mikey how to Zone Transfer, he and his friends arrive at the Island Zone where they save the Zone's elder Archelomon from a group of Gizamon searching for the Zone's Code Crown.