Sasà Jovine (Nino Manfredi) is a self-styled lawyer involved in petty businesses with Neapolitan mobsters (camorristi). When one of his clients, don Michele Miletti (Paolo Stoppa) offers him a huge bribe (mazzetta) to search for his daughter who disappeared mysteriously taking with her some hot documents, Sasà finds himself trapped into a spiral of homicides.
Baron Oddo de Serra who is cruel to his subjects, is neighbor of the Count Gualtiero of Roccalta. The servants of the baron cross the lands of Count to escape his abuses. Baron hatches a plot to assassinate the earl.