The Global Exo Segregation Zone — aka the GREY AREA — is a huge sector in Arizona given over to housing the large number of ET immigrants seeking a new home, and policed by Exo Transfer Control squads, such as Bulliet’s team, comprising Birdy, Feo, Kymn and Neats. However, when they tried to destroy a God-Star that was threatening Earth, they were plunged through a wormhole and stranded on an alien world...