To his Victorian London friends, Stephen Lowry is a heartbroken widower. Only his housemaid Lily knows that far from dying of gastroenteritis his wife was slowly poisoned by her husband - information she is happy to use to improve her position in the household and to make sure she stays close to Stephen. As his own prospects improve with a business partnership and a romance more of his own class, Stephen decides that Lily must go. Unfortunately for him, his first attempt gives her even more of a hold over him.

バイト先のバーでマスターと再会した乃亜と、地元で幼なじみの工員・勇夫と再会した夏。一方、夏の祖父・仁志は家事代行の美奈子に心を癒やされていたが、実は美奈子は大きなトラウマを抱えていた。それぞれのカップルが、つらい過去や後悔を抱えながらも前を向いて奮闘する姿を描き出す。

子凌之父廖富贵于二十五年前为达其事业野心，利用怂勇女友—范子晴挪用公款，得款后又伺机害子晴。二十五年后的今日，冥冥中似子晴之鬼魂前来索命，只因廖富贵曾在子晴面前发下毒誓，若有负子晴就过不了五十岁，果真应验了......