However, he meets his match in Edwina’s protective older sister, . Kate sees through Anthony’s cynical approach to marriage and vows to stop the union. Their constant bickering masks a deep, magnetic attraction. As Anthony continues to pursue Edwina, the tension between him and Kate reaches a breaking point. Ultimately, Anthony realizes that a life of duty without Kate is no life at all, leading to a "foes-to-lovers" romance that prioritizes heart over heritage.

The story centers on , the eldest daughter, as she makes her debut. Despite being named the "diamond of the season" by Queen Charlotte, her prospects dwindle due to her overprotective brother, Anthony.

In the lavish world of Regency-era London, the family navigates the high-stakes "marriage mart" under the watchful eye of the mysterious gossip columnist, Lady Whistledown. Season 1: The Duke and I (2020)