La précieuse chérie du tyran le plus doux du monde entier.

An Ya, the heiress of Xingyao Group, disguised herself as an assistant and infiltrated rival Apex Group, aiming to sabotage CEO Ryan's arranged marriage. As they spent day and night together, romantic tension gradually developed between them. Ryan, having long since seen through her identity and captivated by her, meticulously orchestrated his own scheme. As the truth behind the schemes was revealed, rivals in love stirred up trouble, and a series of crises ensued, the two set aside their differences, confessed their true feelings, and stood side-by-side, ultimately spending their lives together.