Based on a true story – 60 AD: Trained as a Celtic warrior, Boudica (Olga Kurylenko) rules the Iceni tribe along with her husband Prastagus. When the king is betrayed and killed by the Romans, the kingdom of Boudica remains without a male heir and the Romans invade and conquer its lands. Brought to the brink of madness and determined to take revenge, the Queen gathers the different Celtic and British tribes to unleash an epic and unprecedented war against the Roman usurpers.