Maloin, a maritime station guard, spends his nights at the port signal box. One night, he becomes the witness of a murder: for a simple suitcase...

With a hand of steel, Hélène efficiently runs a big luxury perfume factory in Grasse. There is no room for fun in her dull businesswoman's life....

Abandoned by her husband Marc, Thérèse Romanay cheats on him with André Norans. When Romanay finds out, he drives her away. She runs away with her...