Pierre Laurier is under the thumb of a dangerous woman. He considers committing suicide but would like to bequeath his soul to his best friend. Good people save him from death, but his friend falls prey to the bad woman. Pierre then does all he can to remove him from this evil influence. He eventually succeeds and finds serenity with a faithful and pure young girl.
The story takes place in Corsica, where a young business woman (Jacqueline Forzane) tries to construct an electric system for her steel plant. But this project is not welcomed by everyone...
A government official, Count Muffat, falls under the spell of Nana, a young actress. She becomes his mistress, living in the sumptuous apartment which he provides for her. Instead of elevating herself to Muffat's level, however, Nana drags the poor man down to hers - in the end, both lives have been utterly destroyed.
