阿四（叶德娴 饰）少时结识了一表人才的中医药师家明（关海山 饰），与其坠入情网，生死相依。跟随着家明，阿四孤身一人来到了香港，在这里，家明有一位正房太太阿香。痴情的阿四不求名分，只希望能够陪伴在家明的身旁，帮助家明完成他开中药店的愿望。爱莲是家明和阿香的女儿，她嫁给了富商志超，然而，志超亦有着妻室，阿四眼看着爱莲即将走上同自己一样的道路。深知其中苦楚的阿四对爱莲苦苦相劝，但爱莲并不领情，阿四只得帮着爱莲将此事同家明和阿香隐瞒。然而，纸终究包不住火，当家明得知一切的真相，愤怒的他错怪了阿四，带着阿香远走高飞。

阿四（葉德嫻飾）少時結識了一表人才的中醫藥師家明（關海山飾），與其墜入情網，生死相依。跟隨著家明，阿四孤身一人來到了香港，在這裡，家明有一位正房太太阿香。癡情的阿四不求名分，只希望能夠陪伴在家明的身旁，幫助家明完成他開中藥店的願望。愛蓮是家明和阿香的女兒，她嫁給了富商志超，然而，志超亦有著妻室，阿四眼看著愛蓮即將走上同自己一樣的道路。深知其中苦楚的阿四對愛蓮苦苦相勸，但愛蓮並不領情，阿四隻得幫著愛蓮將此事同家明和阿香隱瞞。然而，紙終究包不住火，當家明得知一切的真相，憤怒的他錯怪了阿四，帶著阿香遠走高飛。

Ah Sei is the second wife of poverty-stricken apothecary, and deals quietly with the hand that fate has dealt her. She is a virtual "house slave" to the first wife, and looks closely after the first wive's daughter, Irene, although Irene treats her with complete contempt. When the couple is killed in a car crash, Ah Sei is thrust into the position of caring for Irene first-hand, as she begins to prepare for her wedding, and must persevere through one turmoil after another