Watch Boudica: Queen of War (2023) online

Boudica, a film directed by Jesse V. Johnson, is set in 60 AD. and tells the story of a Celtic woman named Boudica (Olga Kurylenko), trained as a warrior, who rules with her husband over the Iceni tribe. When the Romans betray and kill the king to invade and conquer the kingdom, Boudica finds herself alone in power, without male heirs.
The woman, in the grip of madness and a thirst for revenge, gathers some Celtic and British tribes to organize a war against the usurpers. At the head of her army Boudica will lead one of the largest revolts on the island against the Romans.