First things first. Kristin Scott Thomas is wonderful, and clearly the director loves her. The trouble is that her performance overshadows the rest of the film and the other (male) characters who feel underdeveloped and half baked in comparison. Thus, we never quite understand her obsession with the dull and wooden Sergi Lopez. Her husband is just a pantomime villain and needed to be more sympathetic for the film to work more effectively. Having said that, it is worth seeing for the lead performance alone, and it is
an OK retelling of Lady Chatterley's lover - but a warning, the plot gets very silly towards the end.
Portrayal of a marriage breakdown that becomes rather poignant. Divorce in modern French society is obviously less fair than you may expect.