"They are the Sentinels. Three races descended from ancient guardians of mankind, each possessing unique abilities in their battle to protect humanity against their eternal foes: the Synestryn. Now a warrior must protect his onetime enemy--without succumbing to his darkest desires. Lyka Phelan is a Slayer, sent to live among her enemy to guarantee lasting peace with the Theronai. Yet she has a secret--and it could make her a slave to their power....
