Set in the province of Haidong, the drama follows prosecutors Hong Liang and Zheng Yaping as they reopen the notorious "Wan Hai Organized-Crime Case" in Dongping City. During their review they uncover evidence that judicial insiders bent the law to shield the syndicate. Using a whistle-blower tip as their entry point, the team dismantles the criminal network and brings the corrupt officials behind it to justice.