His sister Luo Cheng disappeared mysteriously, and Chen Ran went to North America to find his relatives. Unexpectedly, he was concealed by the school, ignored by the police, bullied by gangs, and suffered all kinds of humiliation. At a desperate moment, the Tyrant System is activated, summoning a hundred thousand dead soldiers in suits at the beginning! Special forces, hackers, and Wall Street capital bosses are all his minions. Since this place only talks about power, then use violence to fight violence and sweep away the evil forces in Luo City. By expanding step by step through legal rules, it controls finance and monopolizes the underground order. When the army surrounded the White House, the rich and powerful fell to their knees and begged for mercy. No one knows that at first he just wanted to find his sister. Since then, in the vast North America, Chen Ran has taken charge of all things and crowned the uncrowned tyrant.