- Kaewsai just graduated from Faculty of Communications and started working at a broadcast station owned by Mutthana, who is her father's lover. Her parents got divorced when she was a child and she was raised by her grandparents. Mutthana had only one son, Siwa, who is arrogant and hates Kaewsai's father because he thinks that he stole his mother's love. Siwa came back to Thailand after studying abroad for many years and meets Kaewsai in a party. He's impressed with her strong and smart personality, but starts to hate her after he found out who her dad is. Kaewsai has to prove herselft to everyone who thinks she only got work at the station because of her connections, while facing many mean and selfish people. Other executives at the station have a grudge against Siwa's mother so he also has to prove himself when he's cast as the main actor in a lakorn directed by Kaewsai. He starts to fall in love with her unexpectedly, and she also falls for him after they get close.
- 朱诺（Mook Worranit Thawornwong 饰）出生于富贵之家，是标准的千金大小姐，从小就过着养尊处优的幸福生活。朱诺有着天使的脸蛋，魔鬼的身材，而她的男友英俊帅气，两人站在一起宛若天生一对，然而，朱诺却一直对自己的容貌不太满意，使用了大量的美容品，然而， 让她没有想到的是，自己竟然因此皮肤过敏，“毁容”了。 失去了美貌的朱诺失去了一切，朋友、男友都悉数离她而去。在得知彭世洛府有能够帮助她的医生之后，朱诺毅然踏上了前方彼处的旅途。在彭世洛府，朱诺开始了她崭新的大学生活，在校园中，她结交了很多好友，还遇到了善良正直的男孩老虎（普提查·克瑟辛 Put Puttichai 饰），一系列事件的发生让朱诺渐渐成熟起来，亦懂得了待人处事之道。
- 理莎是泰国大型珠宝企业董事长罗腊唯一的女儿，正要从英国珠宝设计系毕业，打算回泰国帮助打理爸爸的事业。理莎美丽善良、冰雪聪明、落落大方，还有一个温柔体贴、阳光可靠的未婚夫阿杰，阿杰在英国学料理，两个人十分恩爱已经论及婚嫁。理莎突然接到罗腊住院的消息，阿杰与理莎匆匆赶回泰国，理莎这才发现罗腊的公司债台高筑，不得已只能将私藏的钻石拿出来拍卖。而罗腊正在准备举行的珠宝拍卖会活动也由理莎接手。本次珠宝拍卖会众所瞩目的焦点是久久未曾现于世人眼前、价值连城的稀有古老蓝钻项链海洋之心。罗腊请身经百战曾经是警察但被奸人所陷害、目前是保安公司老板的彭普负责珠宝拍卖会的安全，彭普霸道沉着、稳重刚强，对理莎一见倾心，两人从一开始的不对盘，随着时间，慢慢互相理解、互相扶持，理莎也逐渐为彭普动心。海洋之心居然在拍卖进行过程中被盗，到底是谁拿走海洋之心？参加拍卖会的人各怀鬼胎，谁会是海洋之心的最后得主？理莎、彭普、阿杰三人的爱恨情仇又将会如何进展？
- 妮拉（平采娜·乐维瑟派布恩 Pimchanok Leuwisetpaibul 饰）出生在一个并不幸福的家庭之中，他的父亲痛恨妮娜和妮娜的母亲，常常对他们拳脚相加。唯一能够给与妮拉温暖的，是他的姑父查特查维（普提查·克瑟辛 Puttichai Kasetsin 饰），随着时间的推移，查特查维发现妮拉对自己的感情逐渐越过了禁忌的界限，于是他非常果断的拒绝了妮拉。 心碎欲绝的妮拉做出了人生中最重要的一个决定，那就是接受变性手术，从手术室出来的妮拉再也不是曾经那个处处不受待见的小伙子了，他摇身一变成为了人人侧目的大美女。变性后的妮拉再度出现在了查特查维的面前，没有认出妮拉真实身份的查特查维被妮拉深深吸引。
