The story follows a Continental Detective Agency operative who arrives in Personville (also known as Poisonville) to investigate the murder of Donald Willsson, a publisher. Upon arrival, he meets with various characters, including Mrs. Willsson, Elihu Willsson, and Max Thaler, alias Whisper, who is being framed for the crime. The protagonist becomes embroiled in a complex web of corruption, violence, and deceit as he works to uncover the truth behind Willsson's death and clean up the city from its crooks and grafters. Along the way, he encounters various characters with their own agendas and alliances, leading to a series of violent confrontations and power struggles between different groups. Ultimately, the protagonist's actions contribute to further violence in Poisonville, leaving him feeling guilty for his role in perpetuating the chaos.