Set in Eastern China in the mid-19th century Qing Dynasty, the mercantile Chiang family and the ambition and jealousy surrounding the issue of who will inherit the family business when Chiang Kiu dies. Hong Po-kei marries into the Chiang family as Chiang Kiu's fourth wife. She gains ownership of Hing Fung Nin, the family rice shop, and guides the ambitious coolie Chai Kau to rise in the social status ladder.

Cheung Kei-sang and the orphan Chau Sai-kai, two young lovers from a village in Southern China, are forcibly separated on their marriage day due to the Japanese invasion. Filled with hatred and vengeance, Sai-kai joins a Kuomintang secret agency, becoming their spy, while Kei-sang ends up in a Communist guerrilla militia and receives training to be their government’s spy. It is through this militia group where Kei-sang meets Kong Sheung-hung, another Communist spy. Together, they go on a mission to search for a Japanese businessman, who looks eerily like Sheung-hung...

Set in the late 1930s to late 1940s in Canton, Republic of China during World War II, No Regrets is an epic drama that centers on a triad family, the Canton police force, and the Japanese occupation of the city.

Deng Guichan, known as Seventh Master, is a fiercely ambitious businesswoman who thrives under pressure, always pushing herself to the brink and emerging stronger. Chai Shiqi, a business prodigy, becomes both her partner and rival. Their relationship is a mix of mutual exploitation, strategic alliances, and fierce rivalry, but they are willing to risk everything for each other.