It has been over two centuries since the last Trials were held in the Kingdom of Alderheim, a tournament between all six mortal kingdoms for a chance to win untold power and prestige. When prostitute-turned-assassin Kiera fails to kill the Prince of Alderheim before the Trials begin, she is forced to join his group in the tournament in a desperate effort to win her freedom back.But not all is as it seems: contestants are disappearing - and turning up dead - and there are sinister whispers that a dark force has been released from the Underworld: one that has the potential to destroy the entire world, and all that Kiera holds dear.