故事发生在星期五男校和星星女子修道院这两所学校中，艾姆（Prim 饰）、帕姆（White Nawat Phumphothi-ngam 饰）、优瑞（Pineare 饰）和诺（Captain Chonlathorn Kongyingyong 饰）是就读于其中的四名好友。 诺是音乐社的社长，某日，他意外的发现本应该充足的社团经费出现了短缺，心急如焚的诺找到了身为秘书长的帕姆，向他咨询与确认，却被告知这一场意外是音乐社社员的疏忽和失误所导致的，和秘书会没有任何关系。诺已经向商店订购了一台架子鼓，无法毁约，看到诺的焦虑，帕姆半开玩笑半认真的提议，如果诺能够做他的男朋友，他就助诺一臂之力。让两人都没有想到的是，正是这一句话，让两人的关系产生了本质上的改变。
It is a story of a mistress who comes back for her revenge after enduring all kinds of mistreats from her husband's wedded wife. The resentment between two love rivals is passed on to their descents and grows into a war between two bloodlines. Onnapa is a mistress of a millionaire who owns the biggest flower business in the country. She has endured all kinds of mistreats by her husband's lawful life, Kannika, for years. When their husband dies, Kannika kicked Onnapa out of their home. Onnapa is enraged by the injustice and furious at Kannika. Although more than 30 years have passed, the resentment in Onnapa's heart has never eased off. Now, it is passed on to her daughter and grandchildren. Along with her daughter - Onsalao and her grandsons - Worakorn and Worawet, Onnapa comes back to take her revenge and reclaim things that should have been hers. Onnapa starts a war with Kannika and her descents including Kannika's daughter - Thantawan, and her grandchildren - Mintra, Nonsee, and Iris. Filled with trickery, deceit, and betrayal, how will this war end?
