In the summer of 43 A.D., the Roman invasion of Britain encounters an inspected obstacle: the baffling and savage way for the rude Britons to confront disciplined Imperial troops. The situation is desperate and perhaps the imminent arrival of Emperor Claudius to lead the troops in the decisive battle is the trigger that terrified and demoralized legionaries need. However, the Romans must resolve an internal conflict that threatens the foundations of the empire, as it seems that someone is willing to end the life of Claudius from their own ranks.