Believing her father's innocence, Man assumes a new identity and infiltrates the Fellow Association to search for the true killer. She discovers that the Fellow Association's three leaders—Fung Chun-mei, Or Man-cheung, and Fuk Sau-kam—were the three men who attacked her father in prison. Fuk Sau-kam becomes her first victim when he plans to escape the walled city. Fung Chun-mei is her second victim, Fa Man kills him after betraying and ruining him. She was unable to fulfill her last task at killing Or Man-cheung, as he was aware that there was someone targeting him. When all seemed at peace at the Walled City Fa Man and Duen Ying-fung gets married, but happiness is not long lived when Fung's entire household is murdered on their wedding day. Fa Man finds out that Yeung Chuk-luen is the mastermind behind all the evil in the Walled City after picking up dope at his pastry shop. She was later ambushed by Kap San and his henchmen who severely injure her. With her brother's failed attempt to protect Fa Man from the assassins, she was stabbed in the stomach by one of the assassins and died. Or Tak-li (), portrayed by Moon Lau, is the daughter of Or Man-cheung. Also known by her English name Audrey, she is introduced at the start of the show as a university graduate who recently returned to Hong Kong from overseas. Fascinated with the culture of the walled city, she volunteers for a teaching post at a local public school in the city and becomes acquainted with Kuen, who she takes a liking to. After discovering her father's involvement with the Fellow Association, she threatens to leave him, forcing him to retire. Audrey develops a close relationship with her body guard, Lung Shing-fu. It is later revealed that Audrey's actual biological father is Yeung Chuk-luen who had an affair with Or Man-cheung's late wife. Yuk Bo-fung (), portrayed by Yuen Qiu, is the mother of Lung Shing-fu. She is known as Thai Por (泰婆; "Thai Lady"; alt. "Thai Hag") by her neighbours, and owns a general store across the street from Tiu Lan's hair salon. The two do not get along, but they share similar concerns about the Fellow Association's growing power within the walled city. A Master in Wing Chun and Muay Thai, Thai Por becomes Kuen's pseudo-mentor, and teaches him various methods to defend himself against the fighters of the Fellow Association.