Chicago, the roaring 20s--a city wide open to gangsters and corruption--where we discover P.I. Nick Verriet was not always the roué of later years. In his first major case, Nick is embroiled in the Capone-era where snooping ensnarls him in the bootlegging and numbers rackets. A mob war is looming and to save his skin he weaves a perilous path squeezed between 'deadly gangsters, gals, and all da usual udder guys.'