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.
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
