Wallander, off work for more than one year, nursing a deep depression and s' is isolated to put his entire life spent in question, determined to definitively abandon his cop job. Until that the two related crimes personally involved in a case that it had nevertheless already rejected, and finally decided to return to his police station, provided the opportunity to lead the investigation. Although from the beginning we know the identity of the murderer or his sponsor, it's all Mankell talent to successfully hold on to this intrigue, dense, with Wallander will have to unravel all one after son the other in order to try to put them like pieces of a puzzle and understand the motive for the murders and gather all the necessary evidence in the charge of one of the most powerful and respected personalities in Sweden. In a terribly dark and desperate atmosphere, Mankell serves us an uncompromising critique of a corrupt society to the bone and that it sees gradually disintegrate over time. He managed to keep us in suspense until the last page thanks to a cleverly constructed plot and perfectly controlled, even if one may regret however a slightly slower pace. Accuracy: even if "The man who smiled" is the latest survey of Kurt Wallander forthcoming in France, it n 'is chronologically the fourth of this saga whose last component is actually "The Invisible Wall" ...