Eden spends her early years at Blists Hill House, a dreary and strict 'home' for unwanted children being routinely taunted by the perfect, staff pet, Prudence. One day Prudence's bullying becomes too much; Eden explodes, attacks Prudence and is dragged off by the staff to 'The Room'. A cell in the orphanage basement from which no one has ever returned. Determined not to succumb to their fate, she escapes, steals the lock box from the manager's office containing the information and possessions with which she was found when abandoned as a baby. The lock box contains a dull, ordinary looking but rather odd moon shaped pendent towards which Eden feels strongly drawn.
As Eden learns more about the powers and tie of the Moon pendent she realises that her future is tied into the fate of the Moon Goddess who desperately needs her help if the fate of New World is to be changed...
In the epic conclusion to the Devil's Deal series, Freya has one final chance to discover the full potential of her own power, and to use it to restore balance in the universe - once and for all. After the destruction caused by Roisin, Ferya and Torix come to terms with their losses and mistakes... And prepare for a final battle that will change everything.