In the fourth book in the Moonblood Clan series, war is threatening to erupt throughout the supernatural world as the dark sorcerer Caius is expanding his army and is creating more severe attacks and taking more lives. Lupe Sullivan believes she may have the answer to finally defeat Caius once and for all, but she will have sacrifices to make, whether it be herself or her family. The Lewis's, the family of shapeshifters that have been ripped apart by Caius's schemes, learn of their family history and they learn that family secrets could contribute to aiding in Caius's defeat as they continue on their dangerous journey.