Aimee's childhood friend Laure is a policewoman. Her partner, Jacques, has set up a meeting in Montmartre with an informer. When Laure goes along as a backup, Jacques is lured to an icy rooftop where he is shot to death. Laure's gun has been fired, gunpowder residue is on her hands and she is charged with her partner's murder. When the police close ranks against the alleged cop killer, Aimee is determined to clear Laure. |If you've always wanted to visit Paris, skip the air fare and read Cara Black instead.| - Val McDermid