After her cruel stepmother auctions off her virginity, Lilly is bought by Cassius Steele, the fearsome Dragon King. To save her sister, she agrees to stay with him, only to discover he is dying from an ancient curse: a virgin must fall in love with him and willingly have sex with him within thirty days, or he will die. As passion ignites between them, betrayal and deadly conspiracies threaten to tear them apart forever.