Historisk spændingsbog. It is late summer AD 44, and the battle-weary Roman legions are in their second year of campaigning against the British tribes. The troop commander, General Plautius, is under considerable pressure from the emperor to crush the natives once and for all. Centurions Macro and Cato are with the crack Second Legion under the precarious leadership of Centurion Maximus, and it's their task to hold a ford across the river Tamesis when the natives are forced into a trap.