After her daughter was kidnapped, Chinese top female lawyer Chen Zhiqi (played by Zhang Xiaofei) received a mysterious phone call asking her to defend a death row inmate within five days, otherwise she would kill him! Forced to do so, Chen Zhiqi teamed up with police officer Jin Zhixiong (played by Li Hongqi) to investigate. In the process of searching for clues, her defense of the death row inmate was questioned by the deceased's family member Lin Shu'e (played by Hui Yinghong). Chen Zhiqi must not lose this defense that concerns her daughter's life and death! However, as the case deepened, she found herself involved in another conspiracy...