The story begins with suspicios murder cases, in all of them corpses are found headless near a certain metro station, the cause is till unknown and also the criminal.
The main character is detective Dutrueller, and the story doesn't only talks about his police life, but also about his personal problems. At the beggining you may think it has nothing to do with the case but as the story advances you star to get involved with his problems and want to know more. However after some time reading it starts to get boring.
The end, even when it is not what you expect, is not as very good because it is confuse and makes no sense.
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