Simone and Martine are usherettes in a porno cinema in Montparnasse. Installed in the hall, they greet regulars, put men in their place, chat and pass the time. At midnight Simone departs to a lesbian nightclub.
Pierrot, mechanic in Paris, falls madly for a female chemist his senior—who at first refuses him, only accepting love after being diagnosed with a deadly illness.
Ginette is at phone with the famous Rachah Rangers, who hosts a daily radio program. She talks about her break with Richard, her various relationship problems, her desires, fears and reproaches. Her friend, Simone Barbes, advised her to live, urgently, a new relationship ...