In the early 1990s, Liu Yingjun, a temporary worker in a steel factory, started stealing scrap steel to pay for his mother's medical treatment. With the connivance of his protective umbrella Tian Guodong, he used his fists and money to weave a black gold empire that spanned the political and business circles. He crippled Chen Jianguo, an upright old employee, monopolized supply, opened casinos, usury, and even indirectly killed his own mother, plunging countless families into abyss. Twenty-five years later, Chen Jianguo's daughter Chen Xiaoxue returned as a prosecutor and launched Operation Thunder with a stack of yellowed thumbprint notes. When the rust is gone, justice finally returns in the fiery trial