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. Then, a car accident drops Claude Dubois, a painter, into her lap. But the artist will have to deploy all his subtle wiles and clever tricks to rouse Hélène's feelings and get her to enjoy the cozy life of a cherished wife.
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 lover. But, during a mountain excursion, Norans is killed and Thérèse is herself seriously injured. But she recovers. The husband then forgives the unfaithful wife, and the couple reunites.
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 smuggled, the altercation between the two men turns to drama. While the first falls and drowns, the second flees. Maloin, instead of warning the police, decides to dive in and recover the suitcase...which contains more than 3 million in small denominations! That's when the trouble begins...
