Eva Robin's

An American writer in Rome is stalked by a serial killer bent on harassing him while killing all people associated with his work on his latest book. (imdb)

Leo has a marriage crisis. Fortunately he has to go to another town for work. In the new town he's followed by a mysterious person. One day he has collapses and gets first aid from the mysterious person. He awakes at home and realizes that the mysterious person is his cousin Giulio, who he has never met for many years, and has become... ...Giulia, a very charming girl. (imdb)

A respected police commissioner has a reputation as a fervent opera lover, but by night he also enjoys plunging into the transvestite scene. In addition, he harbors a longing for his very own sister. When he learns that his wife has been murdered, he tries to implicate the set-designer who has designs on his sister. (imdb)