Sadie is a "guardian angel", sent from hell. Assigned with the task of carrying out a generational curse on a young girl named Donna. Unbeknownst to her, Donna's angel is struggling with the decision to kill her or protect her. This all is much to the chagrin of Satan himself. Life was never going to be easy for Donna, living in the 1970s when drugs, war, and hippies are running rampant. But, it's up to Sadie , her guardian demon, to decide if life will crush Donna or uplift her.
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.