After seven years in prison, Long Si returns to Shanghai to regain everything that he lost. On the train, he got to know more than a dozen heroes and soon thirteen of them became sworn brothers. Long Si only took seven days to regain the dominance of the Shanghai casino. As promised, he divided his casinos among twelve sworn brothers. Unfortunately, the twelve brothers fight against each other because of the greed for profit.

• Patrick Tse Yin
• Damian Lau Chung-Yan
• Cecilia Yip
• Michelle Yim
• Kristy Yang
• Annie Man
• Michael Huang
• Lam Wai