Cursed with unusual abilities, orphan McKenna Fulton has always been different, an outcast. But she's been Chosen. More accurately, she is one of the Chosen. Eight individuals—four women and four men—selected at birth to guard slices of crystal. The Heart of Fire.

The whole thing is more than a little farfetched. Kenna can handle the part of getting down and dirty with the bad dude. She's even okay with guarding a crystal. But losing her free will and being stuck with some guy, her destined...