When everyone you trust turns against you, what do you do? Dragon slayer of renown, Robin, King Bewilliam, has bested both man and beast to battle his way back to the Chalklands and reunite with his sons, but discord threatens the kingdom's hard-won peace and prosperity. War breaks out and Robin finds that there is no one he can trust, not even his closest knights. Fighting for his throne pits him against a shocking, unsuspected rival. With his own life and lives of all his imperiled subjects at stake, Robin faces off against his fiercest enemy in mortal combat.