- HD 1080
- Runtime: 113m.
- Status: Released
- 0
- Languages: fr
- Country: France, Germany, Italy
- Director: Andrzej Żuławski
- Stars: Romy Schneider, Fabio Testi, Jacques Dutronc, Claude Dauphin, Roger Blin
- keywords: underground world, based on novel or book, photographer, underground film, theatre company, still photography, sexual blackmail
- Production_studio: Albina Productions S.a.r.l., T.I.T. Filmproduktion
- The That Most Important Thing: Love is featured in the top rankings of 1975
- #6 in Top Romance Movies of 1975
- #29 in Top Drama Movies of 1975
Servais Mont, a freelance photographer who works taking compromising photos, gets fascinated by Nadine Chevalier, a tormented low-budget movie actress married to an eccentric film photo collector.