The Halo Is Slipping(1957)

Original title: Med glorian på sned

A secretary at a publishing company, Birgitta, writes a novel, based on her secret love of her boss. She sends it anonymously to her own company, who decides to publish it. The book becomes a success. Birgitta's husband's mistress get hold of the script and confesses that *she* wrote the novel. Plot by Mattias Thuresson.