Shanji (played by Jordan Chan), who has outstanding performance in the Sanlian Gang, is about to marry Nanako (played by Anya), the daughter of Kazuo Kusakari (played by Shinichi Chiba), the leader of the Japanese gang Yamada-gumi. As a good friend, Chen Haonan (played by Ekin Cheng) and a group of Hong Kong gang leaders also went to Japan to attend Shan Ji's wedding.