Death of a Corrupt Man

Xavier Marechal (Alain Delon) is a businessman whose long-time business partner and friend is Philippe Dubaye (Maurice Ronet) a member of the French parliamentary assembly. In the film, Philippe has just killed Cerrano, a fellow assemblyman who threatened to disclose Philippe's involvement in political corruption. After killing the man, he steals his notebook which contains blackmail information implicating many members of the government... (allmovie.com)