Eloise has always loved Joan of Arc. Noble, honest and brave, she was everything Eloise wishes to be. And on a bright sunny day in Orleans, Eloise has a very special daydream.

February 2014: Police Capitaine Ines Picaut is called out to investigate a blaze in the old town of Orleans. This is the fourth in a series of increasingly brutal arson attacks, and at the centre of the conflagration lies a body. An Islamic extremist faction claims responsibility, but Ines and her team cannot trace its whereabouts, or any evidence of its existence. And a partly melted memory card found in the victim's throat is the only clue to his...