The film describes the conflict between Cantabrian guerrilla leader Corocotta and Roman general Marcus Agrippa.

[1] A voice-over describes how the Cantabrian tribes led by Corocotta have repeatedly defeated the Roman attempts to annex their territory in Spain.

While Corocotta sees his wife and new child, Agrippa meets with Sonanso, a Cantabrian traitor who agrees to help him.

Agrippa is furious and discovers that his Cantabrian mistress has been informing Corocotta about Roman troop movements.

Realising that the Canatbrian spirit of the resistance will not easily be broken, Agrippa decides to adopt more ruthless tactics, telling his men to take no prisoners, including the women and children.

She sneaks into his tent and tries to stab him, but after a hard struggle with Agrippa, she is seriously wounded by an arrow shot by a guard.

Agrippa discusses the situation with Augustus, who agrees to offer a large reward for the capture of Corocotta.