When it looks like Freya will be lost forever what will Merlin be willing to trade to keep her safe? While Merlin sets off on a quest Mordred is busy with some trouble himself. Can the brothers protect each other before it's too late for anything? Will Katy get to Keeley in time before she gets herself in even deeper trouble? One thing's for sure, things have changed forever. Sequel to 'Friend Or Foe', 'Only Time Will Tell', 'Set In Stone', 'The Second Excalibur', 'The Third Dragonlord' and 'The Swinging Sword'.