Causeway Bay, Hong Kong, is bustling and bustling with people of all kinds. The two major forces in the underworld, Hung Hing and Tung Sing, linger here, fighting each other. Hung Hing's boss, Hung Sheng (Gu Feng), is brave and shrewd, and is a man of integrity. He is admired by his followers, but he has a bad relationship with his son, Hung Fei (Tony Leung). Hung Fei faded out of the underworld and lived a free life alone. Hung Hing's henchman, Xiaochun (Jordan Chan), accidentally met with the son of the East Star boss, A Bao, and the top figure, and when they were in danger, A Fei helped him. Xiaochun admired him infinitely and introduced his sister, Xiaotong (Carman Lee) to A Fei. As a reporter, Xiaotong has been full of admiration for the heroes and knights in Jin Yong's novels since she was a child. She has a romantic complex about the affairs of the rivers and lakes, and Xiaotong and A Fei gradually developed feelings. Hong Sheng is old and ready to retire, but he was harassed by Tung Sing on the night of the ceremony and fell ill in anger. Under Xiaotong's persuasion, A Fei reconciled with his father. At the same time, the conflict between Hongxing and Dongxing intensified, and a black storm was about to come...