A supposedly idyllic weekend trip to the countryside turns into a never-ending nightmare of traffic jams, revolution, cannibalism and murder as French bourgeois society starts to collapse under the weight of its own consumer preoccupations.

Paula Nelson goes to Atlantic City to meet her lover, Richard Politzer, but finds him dead and decides to investigate his death. In her hotel room, she meets Typhus, whom she ends up knocking out. His corpse is later found in the apartment of David Goodis, a writer. Paula is arrested and interrogated. From then on, she encounters many gangsters.