The novel "My Dark Romeo" follows Dallas Townsend and Romeo Costa, who are forced into an arranged marriage after a clandestine kiss at a debutante ball. Romeo, driven by a desire for revenge against his rival (who is Dallas's betrothed) and his own father, sees Dallas as a pawn. Dallas, determined to control her own fate, resists the marriage and the cruel Romeo. Their forced proximity leads to a complicated and intense relationship as they navigate family expectations, personal secrets, and a simmering attraction despite their initial animosity.