Hagen von Tronje, the Burgundian master-at-arms, holds his troubled kingdom together while hiding his dark past. The arrival of the unpredictable dragon slayer Siegfried threatens to upend the old order. As King Gunter seeks Siegfried's help to win the fierce Valkyrie Brunhild, Hagen faces a tragic choice between loyalty to the king and his own identity.

Exactly what it says on the tin and much much more.