在这部公主小妹喜剧/爱情片中,麦秋穗（张韶涵 饰）本来过着平凡而幸福的生活，家里虽然不是很富裕，但是一家人生活得开开心心，她对现在的生活十分满意。然而一天早上，当秋穗一觉醒来，她的生活发生了天翻地覆的变化。一大帮貌似黑社会的黑衣人来到秋穗的公寓，宣称她就是首富皇甫集团董事长皇甫雄（顾宝明 饰）失踪多年的孙女，而父亲母亲也承认了秋穗并非他们的亲生女儿。惊愕不已的秋穗在爷爷皇甫雄的要求下搬进了皇甫大宅。
秋穗的到来使得本来即将继承皇甫雄事业的大少爷南风瑾（吴尊 饰）大为紧张，加上旁人说三道四，于是大家都认为秋穗是回来抢家产的拜金女。而秋穗也并非任人欺负之辈，两人第一次见面就势成水火，针锋相对。而皇甫雄竟然想撮合南风瑾与秋穗，处处制造机会让二人独处。于是，秋穗的麻烦大了。
Adopted by middle classed parents, Xiao Mai has always had a dream to be an heiress. Who knew that one day this dream would come true. Xiao Mai's biological grandfather is the head of a prestigious aristocratic family and after many years of searching, he finally finds his long lost granddaughter. As she starts her life as an heiress, everyday is filled with excitement, however, everything seems a bit different from what she had imagined them to be.
最早的玛丽苏…。典型的玛丽苏剧情。变味的电视剧。经典台词。有钱人的风月。三颗星，是给辰亦儒的。害死人的偶像剧...。每个人都不会是一座孤岛。满足公主梦。好烂的结尾...。
