Trainee killer Ahn Eun-young receives her first mission to become a full-fledged killer. The mission is to kill So Si-ho, a boy from the same class who transferred a few months ago. Eun-young pulls the trigger with trembling hands, but... This target is not ordinary...?
She possessed the body of Anri Wentworth, the daughter of a family that was unjustly executed by the Male Lead. Duke Edwin Askar, the queen’s faithful dog…… No, the decadent man who would become her lover and a sycophant. Just avoid the male lead and evade death! Then one day. The mare of the carriage she’s riding makes eye contact with the stallion of the carriage the male lead is riding……? The accidental carriage accident brings her face to face with Edwin. “How about we get married instead.” With determination dripping from his indifferent eyes, Edwin proposes a contract marriage to Anri……. ‘By the way, what about the queen?’