Zu Yao is complaining about Zhi Xuan's abuse of violence, and the entire mobile unit is worried about Zhi Xuan. Zhi Xuan insisted that Zu Yao was the murderer of Brother Shu. Zhi Xuan's ex-girlfriend, Ying Qi, questioned Zu Yao but found no evidence. Zhi Xuan had no choice but to release him. Zu Yao looked at the eldest brother of the "West Kowloon" club and the big drug lord Wu Liang and recalled that five years ago, Wu Liang arrested him and his girlfriend Atingwhen they were in Thailand... Zu Yao vowed to take revenge on Wu Liang, so he used the two million his old Brother Da Gui gave himself to buy unscrupulous drugs, sell them at low prices, and run a loss-making business in the form of courier delivery, aiming to grab unscrupulous customers and challenge the unscrupulous people! (Source: Chinese = TVB || Translation = unbeliebubble at kisskh)