Set in Dark Ages Britain, this is the story of Essa, whose father Cai leaves him behind one night at a settlement of the Wolf Clan. When the settlement is under threat from cruel Mercian bands across the forests, Essa finds he can influence the outcome of the ensuing battle in a way nobody but his father would understand.Set in Dark Ages Britain, this is the story of Essa, whose father Cai leaves him behind one night at a settlement of the Wolf Clan. When the settlement is under threat from cruel Mercian bands across the forests, Essa finds he can influence the outcome of the ensuing battle in a way nobody but his father would understand.