Set in Paris the story follows Lisa, who, while on vacation with her husband, rekindles a passionate affair with her ex-boyfriend. But that may lead to a murder.
When Anna disappears suddenly and without leaving a trace, the police feel it was probably deliberate. But her husband refuses to believe it. And rightly so, someone had tried to murder Anna. Saved by a local from the mountains, she wakes up in the Pyrenees, with no memory at all.