Eva doesn't claim to be a good guardian angel, but she tries. After she loses two charges, the Powers That Be begin to doubt her abilities. To redeem herself, Eva sets out to rescue Elsie, granddaughter of the former king of the Fae. A demon has kidnapped Elsie to complete an ancient ritual that will allow him to slip through the veil between Earth and Hell during the Sturgeon moon.
Thomas, an angel liaison, finally lands his first mission. But when he's paired with the angel responsible for his uncle's death, he has to put aside their differences to get the job done.
With unlikely friends in tow, Eva and Thomas are in a race against time. Save Elsie, save the world—oh, and save Eva's job.