Mrs. Ko, Tung Kwok-hing, lies to her husband Mr. Ko Shiu-tong that the orphan boy she brings home is his long lost illegal son, Ko Yee-ho. Mr. Ko believes Yee-ho will make a better heir than his elder son, Ko Yee-tai, resulting in Mrs. Ko kicking Ko Yee-ho out of the house in anger. Homeless, Yee-ho gets a taste of the bitterness in life and is determined to return home and take revenge on his adopted family under a different name. Meanwhile, he meets his childhood best friend Tsui Sum, who had just taken over her family business. Yee-ho decides to win her love, fully confident that he will win her new wealth as well. However, old ties, secrets, and memories of a childhood sweetheart come back to haunt him as he begins to embark on a road that threatens the lives of all he holds dear.
徐芯(周麗淇飾)為豉油老字號「家福醬園」的次女,然而小時候是名孤女,並且是個跛腳妹,幸得好心的徐家收留,並不惜花費把她的腳醫好,養母林玉嫻(程可為飾)更視徐芯為親生女兒,眼見徐芯大病初癒後,對被收留前的事毫無印象,便把徐芯本為孤女一事隱瞞,讓徐芯在健康快樂的環境下成長。