What happens when the hunter becomes the only one she can trust?Echo's hands shouldn't glow. Magic shouldn't exist. And she definitely shouldn't be falling for the boy whose family was created to hunt her kind.When seventeen-year-old Echo Martin discovers she's a Siphon-someone able to channel supernatural energy-her carefully normal life on St. Sierra Island shatters. Desperate to hide her secret, she turns to the only person who can help her control her volatile fire: Ash St. Claire, whose ancient family exists to police-and eliminate-dangerous Siphons like her.Their secret training sessions ignite something forbidden: a connection that breaks every law Ash has sworn to uphold. But as Echo's power grows far beyond what any Siphon should possess, someone begins hunting her kind.When the threat closes in, Echo must decide whether to trust the boy breaking all his own rules to protect her-or the fire inside her that may consume them both.