Two young people with a young child, living in the seventies, are full of ideas and dreams. They are madly in love with each other, but a disastrous accident during a sailing trip over the ocean, drifts them apart. Thirty-five years later, they meet again and there is still love, but also other strong emotions to cope with. Does she dare to entrust him a big secret from the pas...。方绮红(李香琴)与赵汝佳(谭炳文)本是合作多年的梨园好拍檔。但因一次失败演出,成为冤家。廿多年后,一鳏一寡佳已育有三个女儿-德、智、美;而红亦有四个儿子-万、事、胜、意。七个年青人竟产生了三段错综复杂的姻缘,令两个斗气冤家从此多事…。身着破旧衣衫,被父母当作佣人使唤的贫穷男爵家次女——玛丽。即便如此,她依然保持着纯真善良的本性,全心全意地为家人付出。某天,玛丽举办了一场生日派对。然而,主角却是宛如公主般的姐姐阿纳斯塔西娅。玛丽在会场外神情哀伤地伫立着,却意外邂逅了身为大富豪的库罗斯·格拉纳多伯爵。两人彼此吸引,格拉纳多伯爵对玛丽一见钟情,然而——阴差阳错之下,他竟向阿纳斯塔西娅而非玛丽求了婚!格拉纳多伯爵与姐姐的婚约正急速推进。然而阿纳斯塔西娅因意外身亡,玛丽不得不代替她嫁入伯爵家……!?因误会而起的"落魄千金"灰姑娘传奇,正式拉开帷幕!。