based on real cases, the drama tells the story of fang daqing, deputy director of the anti-corruption bureau of the second branch of the yanzhou people's procuratorate, xia jingru, director of the public prosecution department, and others facing complex and difficult cases. they calmly clarified cases, peeled off their cocoons, and fought wits with criminals. aaa。 during the case handling process, young prosecutors chen chen, yu yuelong, zhou wenwen and others experienced real problems such as love, income, and housing, and endured the hardships of life on them. in handling zhou xiang's murder case, xia jingru and chen chen discovered many suspicious points. in the end, the public prosecution released li hao, the "murderer" who had served 17 years in prison, and the real murderer zhou xiang was sentenced to death in the first instance. during the "fox hunting 2014" special operation, fang, xia and others set up a special task force. they found that the chairman of yanzhou group jin mingshan was suspected of liu kaiming's crime, and jin mingshan also set up obstacles for the special task force everywhere. when she learned that jin mingshan, who treated her like her biological daughter, was the leader of the case, xia jingru resolutely chose to bring it to justice.