Si, a high-society heiress, dreams of becoming the president of her family’s company. However, her parents give the position to her younger sister instead, believing Si is too spoiled and irresponsible, spending millions without a second thought. When the family business faces a crisis involving a crucial land lease renewal, negotiations fail—until Klaokavee, the landowner, makes an unusual proposal: she will renew the lease only if Si agrees to marry her. Despite their completely opposite lifestyles, this strange arrangement brings the two into an unexpected and complicated relationship.

该剧改编自Serenista的同名小说，讲述Maywika和Aiwarin作为两大商业集团的女继承人，在充满尔虞我诈遍布欺骗阴谋的商场战争中，她们彼此征服斗智斗勇，同时却不断被彼此魅力所吸引，萌生情愫。

Two business heiresses from a hotel empire and from a department store dynasty, respectively, compete for a national Duty-Free bid. From the moment they meet, an undeniable attraction sparks.

‘Siang Plaing’ and ‘Wan Wanviwah’ have grown up in the same household but with different status. Plaing is the child of the homeowner, while Wan works in the house. Although they never want to be separated, one day, Wan tells Plaing that eventually she will have to get married. Plaing plans to find a good man for Wan to avoid her being alone. However, this plan makes Plaing realize her own feelings towards Wan. While their love grows stronger, Plaing loses her parents due to a business failure and escapes, leaving only a love letter for Wan. Later, they encounter again but Wan is engaged.