Ice Hunting Episode 13 Who died?

According to the plot of the TV series Ice Hunting, Chen Jianchang (A Chang) in the first 13 episode was directly killed by A Sheng with a knife. Chen Jianchang died suddenly in the plot, and his death was very wronged. Chen Jianchang's two children are not his own. In this episode, several other characters also suffered different fates, including the sacrifice of the gun (old gun) killed by the villain, and the death of Tan Boss (blind Tan) who was killed in the process of transporting drugs.