The story covers eighty years in the lives of a pair of Welsh identical twins with an unusual bond, as they go through war, love affairs, and land disputes.
Three very different adolescents unite against their employer who exploits them for cheap labour.
Herne the Hunter picks Robin of Loxley as his successor in his mission to support the oppressed. Robin builds his army and leads a guerrilla attack to suppress the exploited's Norman tormentors.