A sex-addicted romance novelist reunites with the ex-boyfriend she never truly forgot—now the dangerously irresistible doctor treating her most intimate injury. As old desires reignite, buried heartbreak, jealousy, and a devastating misunderstanding from five years ago resurface. Torn between obsession and love, Sienna must decide whether Casten is the man who destroyed her… or the only one willing to fight the entire world to win her back.