In Shanghai during the Republic of China, writer Tang Bi lost his fortune due to gambling, and his daughter Tang Juan ran away in anger and later became a star. Ten years later, father and daughter met on the street, and his daughter was hunted down. Tang Bi picked up the brush again, and with the encouragement of his childhood friend Hua Buque, he re-created the novel The Killer, telling the story of how the great detective Liu Ming prevented his daughter Liu Ying from assassinating the President of Country M at a much-anticipated international conference. Tang Juan took the initiative to ask Ying to play the role of the female killer. At the celebration banquet, Pan Jian, the plagiarist, suddenly appeared with his pistol extended...
