萬冠園是佛山醬油業百年老字號,大當家萬啟山與夫人席德容堅持「傳男不傳女,傳內不傳外」的宗旨,可是一宗毒醬油事故,使他不得不答應讓夏小滿及葉細么兩女加入,與其子萬卓楓成為同期學徒。三人與醬園小師傅華歌建立了複雜的四角關係,又間接揭發了萬家多個秘密,加上卓楓突然被擄走,人心惶惶。醬園內,啟山幾個弟弟啟石、啟川及啟江醞釀分家,醬園外,專員高兆榮也密謀奪取醬園財產,萬冠園百年基業隨時毀於一旦!
Man Koon Brewery is a century-old soy sauce maker in Foshan. The motto of patriarch Man Kai Shan and his wife Tsik Tak Yung is “Male succession and keep it in the family”. However, because of a contaminated soy sauce incident, they just have to let two women, namely, Ha Siu Moon and Ip Sai Yiu, join the business. The duo and their son Man Cheuk Fung become fellow apprentices. Junior master Wah Ko gets involved with the trio, resulting in an intriguing foursome. Meanwhile, everybody gets anxious as certain secrets about the Mans are revealed and Cheuk Fung is abruptly taken away. At the brewery, Kai Shan’s younger brothers Kai Shek, Kai Tsun, and Kai Kong want to divide the family fortune. And even outsider General Ko Shiu Wing is plotting to get his hands on a piece of the pie. With a 100-year history, Man Koon Brewery’s future is in doubt as it gets into such a precarious situation.