Adeline, daughter of an earl, receives an offer of engagement from the Dragonkin Realm on her seventeenth birthday. All Dragonkins must find their “Mate,” and they want her for their third prince. Soon, amid scorn and criticism, she realizes she’s an unwilling participant in a twisted—and deadly—plot. But the story doesn’t end there! 250 years later, history begins to repeat itself with another invitation…and the unknown secrets that lie beyond it.