Sentence:  Rather, novelist Louise de Vilmorin, whose popular novel "Madame de" had been recently filmed by Max Ophuls, joined Malle in reworking Denon's novella and updating it into a combination of a modern comedy of manners and a daring, even <WSD>oneiric</WSD> love story that played with and defied many conventions of the romance genre. 
Meaning of the word marked with <WSD> tags:  Resembling a dream; dreamlike.