Catus Decianus, now comfortably installed in his villa at Camulodunum (Colchester), is ovejoyed when Boudicca's daughter, Tasca, is taken prisoner. And she is followed by an Iceni traitor. But meanwhile, alarm is being spread in the Roman-occupied town: Calga, a prophetess, warns that the Statue of Victory will fall, and the river will turn to blood. Above all, she warns Decianus of a severed head.