The critically acclaimed crime drama returns for a THIRD series. When the mutilated body of a young woman is found on a disused railway track in the North of Paris, Police Captain Laure Berthaud seizes the opportunity to restore a tarnished reputation and leads her squad on the hunt for what she believes to be a deranged serial killer. However, with her personal life in tatters and a potential rift emerging from within her own ranks, Berthaud's world is on the verge of disintegration. Meanwhile the impeccable career of Public Prosecutor Pierre Clément falls into disrepute when his insistence on integrity makes him a pariah in the corridors of justice and ambitious barrister Joséphine Karlsson attempts to untangle herself from some dubious associations - with dangerous consequences.br> Superior television conspiracy thriller, utilising the French expertise in 'policier' plotting.