Mario Marani is a well-respected lawyer in late 70s Milano. He and his wonderful wife Francesca have an intense high social life. But Mario has a problem. He is obsessed by bad thoughts (cattivi pensieri); he is always concerned about his wife, thinking continuously to be betrayed by her. It is a nightmare, every time Mario sees Francesca talking to one of their friends immediately starts to see her and him in an hot affair. Jealousy and suspects increase and increase, till their life cross with a young man hidden inside their flat.
Diana is a Roman wife happily married to sympathetic Paolo but she is keen on playing benign games of seduction with other men while resisting the advances of chic lingerie shop owner Silvio and she narrates her adventures to Paolo in order to stimulate their otherwise monotonous sexual life.
Based on a true story set in pre-war Japan, a man and one of his servants begin a torrid affair. Their desire becomes a sexual obsession so strong that to intensify their ardor, they forsake all, even life itself.
In Madrid, the orphan sisters Irene, Ana and Maite are raised by their austere aunt Paulina together with their mute and crippled grandmother after the death of their mother and their military father Anselmo.
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.