Protecting humans from dangerous magical creatures is all in a day’s work for a faerie training to be a guardian.

My name is Nadia, and I’m an errand girl. And my errands for her involve spying on people. Or stealing things. Or hunting down monsters. Or, on occasion, killing people.

For centuries, countless adventurers have searched for the Fountain of Youth. Those who found it thought they would gain eternal life. Instead, they find themselves murdered by its guardians.