By 117 AD, Rome gave up on conquering Caledonia, the Picts ruled their land as they pleased, and Emperor Hadrian had to erect a huge wall to keep Roman-Britain safe from them. Druidess Tanwen's quest takes her from her home of Britannia to Caledonia. The spirit of her ancestor, Boudica, sends Tanwen forth to wed the son of the chief of the Caledonii tribe: to aid in the war against Rome, keep their ways alive, and save Boudica's...