Margot's unhappiness is contrary to what you might expect, considering that she lives in Paris and is married to a handsome, successful man she loves. However, as time passes, she feels more certain about her emptiness and realizes how little time her husband Arthur has for her. Finally, she decides to leave him, but then something changes. Not only does Margot not know her husband as well as she thought she did, but she also comes to see that she didn't even know herself that deeply. Margot's life starts changing when she discovers countless new things about her marriage, which also reawakens old traumas. But have these signs always been there? Has Margot's journey been waiting for her long before she became aware of it, and can her marriage be saved? Margot is surprised to discover Arthur knew her much better than she ever thought possible.