Tong Yan-Gai (Ha Yu) owns dried sea products and abalone store along with 31 shops for rental. He has a total net worth of HK$600 million. He is married to Ling Hau (Louise Lee), a rich man's daughter, and he also has a second wife called Wong Sau-Kam (Susanna Kwan), a former nurse who had previously taken care of Hau when she had cancer. Gai has 4 children: Tong Chi-On (Moses Chan), Tong Chi-Yat (Bosco Wong), and Tong Chi-Yan (Fala Chen) by Ling Hau and Tong Chi-Foon (Lai Lok-yi) by Wong Sau-Kam. Hau had not expected to survive her bout with cancer and wanted Kam to take care of her husband after she died, but she recovered. Kam thinks that she has no power in the family because she has no true status, as she is not legally married to Gai. She becomes a woman who instigates a range of petty acts that tend to come back to haunt her. She seeks the family fortune, and in order to do that, she causes trouble in the family.

Chung Siu Hor and her husband Kam Tai Jo have been working hard for many years to establish a good reputation for their bakery. However, Hor discovers that Jo committed adultery with her best friend, Yan Hong, and she divorces with him miserably. Hor brings along her children Kam Wing Ho, Kam Wing Hing, and her adopted daughter Suen Ho Yuet to set up another bakery for a living. This drama revolves around human nature, family bonds, and love of the two families.

Ling Lai-Ying and her husband Wong Wing-Ching have worked hard to develop their modest tea restaurant into an entrepreneurial success involving real estate investing and business. Lai-Ying’s younger brother Ling Shing-Fung even tries to help them get the company listed on the stock market. Initially, Wing-Ching does not agree with this. After seeing the century-old family print business run by his benefactor Hui Nga-Lun, who helped him get acquitted of a charge years ago, on the verge of bankruptcy, Wing-Ching agrees to Shing-Fung’s proposal by merging the two families’ businesses for mutual benefit. However, complications arise when other family members oppose the idea, and the social inequality between the two families causes more conflicts. Soon, the two families find themselves on the brink of open hostility and a massive war for revenge brews.