When the Romans invade Britain in 43AD, the tribes of Britain have to deal with these invaders as well as their own internal struggles. Kerra, daughter of the King of the Cantii, is at war with her arch-rival, Queen Antedia of the Regni. The strife between them began years ago, when, as a teenager Kerra was sent to marry Antedia’s son. Instead, on her wedding night, she castrated him, creating war between the two tribes. The desperate Queen will co-operate with anyone, even the Romans on condition they will hand over the Cantii Princess alive. While Kerra is hell bent taking full advantage of the divisions between the different warring tribes and spearheading the resistance against the Romans.