Lyra Cooper, is your average 17 year old high school girl till she learns from her older brother Brandon that their whole family name is descended from Eros, who is the god of love and he made a key, a key of love it had powers that could unlock love in even the most hate driven people and match them with someone else.
Ken Dove, is the total opposite being descended from Apophis the god of chaos who wanted to end all love in the world and make sure that no one fell in love with anyone else ever again, Apophis made the key of chaos which has the opposite powers but the two balance each other out like Yin and Yang and when put together someone can have ultimate power over love and chaos.
Can Lyra find the key and keep it safe? Or will she let it fall into the wrong hands?
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.