About Xiao Haoqin undercover, he was finally sawed to death by a chainsaw.

Encyclopedia information:

In a gambling game, the two helped Tai cheat Uncle Biao out of his huge sum of money and keep it for himself, thus planting a curse. Girl Bing Chan misunderstood that Yong is the son of Tai. In order to avenge her father's trip to Thailand and get close to Yong, who knows Yong has an affair. At that time, Chen's father and Tai were brothers. Tai actually killed Chen's father to protect himself because they lost in a gambling game. Ice fled to America and practiced a good skill. This time back to Hong Kong, he was bent on dealing with Tai. Always interact with ice. Besides, Ty was dissatisfied and knew that he could no longer trust them. Tai told Uncle Biao that they cooperated to get rid of Yong and Qiang, and Qiang was seriously injured by a car on the road. Yong was captured and tortured, and the injury died. Yong gave a video to Qiang before he died, and then gave it to the police with ice to tie Taihe Biao to a rope.