In the "cold gun" campaign of the war against the United States, Ren Dongfeng, who has been in the army for two years, shows his talent for shooting in a battle for a position, but also causes the death of his comrades at the muzzles of enemy snipers, which becomes a shadow in his heart.

After Long Wei and his men finished their operation in Fuji, they received a distress message from his ex-wife, Leng Yun. Long Wei immediately rushes to Southeast Asia alone to look for his ex-wife. With his excellent ability to fight alone, Long Wei and his daughter break through all the dangers they encounter one by one, will they be able to rescue his ex-wife successfully?

Han Xiao, a police special agent, is working undercover in an underworld gang. When the gang's leader, Chopper, kidnaps a rich kid, he is surrounded by a special police team and the robbers, led by Chopper, are all killed. Han Xiao's escape from death arouses Wei's suspicion, and Wei brings Han Xiao in for severe torture. Han Xiao uses his acting skills and intelligence to play with Wei, trying to clear his suspicion and gain Wei's trust

Special police brigade sniper Zhang Yuan and observer Hu Bing in a crackdown on armed robbers, hostage Li Xiang accidentally injured. In order to take better care of the injured and paralyzed Li Xiang, Zhang Yuan left the SWAT brigade and with the help of his girlfriend Su Qiu equipped Li Xiang with a brain-controlled drone and became a tacit partner with Li Xiang inside and outside. Three years later during a news investigation, the clues led Zhang Yuan to a factory. Unexpectedly, the plant concealed the production of ephedrine, the raw material for the drug manufacturing workshop, and former teammate Hu Bing became the head of this factory.