Based on the novel 'Ritratto Di Provincia In Rosso' by Paolo Levi .Mario Aldara, a Ministry of the Intenal Affairs officer and former police inspector, is sent to his native town, Bologna to investigate the alleged suicide of Cesare Bonfigli, of a powerful local family linked to politics but also the church dealing in real estate business and welfare. Aldara may be pleased to see there Viviana again. Viviana is the widow of the dead man and used to be Aldara's girlfriend twenty years before
Kitty runs a brothel in Nazi Germany where the soldiers come to "relax". Recording devices have been installed in each room by a power hungry army official who plans to use the information to blackmail Hitler and gain power himself.
A quiet and inconspicuous man (Trelkovsky) rents an apartment in France where the previous tenant committed suicide, and begins to suspect his landlord and neighbors are trying to subtly change him into the last tenant so that he too will kill himself.