SynopsisIn All the Devils are Here, Armande Gamache and his godfather, businessman and billionaire Stephen Horowitz, are in Paris for his granddaughter's birth, along with the rest of the family. After dinner one night, Stephen is hit by a car and soon another dead man is found in Stephen's apartment. As Armande and the Parisian police begin to investigate, it becomes clear that Stephen had a number of secrets and that there are corporate intrigues as well as possible corruption in the mix as well. Further investigation seems to implicate Armande's son, Daniel, too. Not knowing who he can trust or whether the things he thought he knew before are true, Armande must uncover the scheme that is going on or he risks the safety and well-being of his family.
Detailed SummaryQuick Plot Summary
Armand Gamache, a senior officer in the Québec police, and his godfather, billionaire Stephen Horowitz, are in Paris for the birth of Armand's granddaughter. However, Stephen is intentionally hit by a car while crossing the street and the next day the body of an unknown man is found in Stephen's apartment. Initial investigation reveals that he man is Alexander Plessner, a venture capitalist, who had clearly known Stephen well (he's found with a special business card marked JSPS permitted access to any of Stephen's accounts). They also find out that Stephen had an interest in a large engineering company called GHS, which is having a board meeting at a nearby hotel soon.
Armand and his wife Reine-Marie find it suspicious that the room had smelled like Claude, the Prefect of Police in Paris, when they'd entered to find Plessner's body. Reine-Marie learns that both Claude and Thierry Girard, Claude's former second-in-command, wear the same cologne. Armand and his family are questioned aggressively by the police, and they oddly have a lot of dirt on Stephen's family, despite him being the victim and them only having begun the investigation a few hours ago. Armand deduces that the police must've already been compiling this information on Stephen before the attacks. After going through security footage at Stephen's hotel, Armand finds a tampered video that accidentally left in a clip of Claude, Girard and Eugénie Roquebrune (the GHS president) having tea right before the attacks.
Jean-Guy is Armand's son-in-law and former second-in-command, who now works for GHS. He digs around his colleague, Séverine's, computer to find out what is going on at GHS. Jean-Guy later followed by a company guard, Louiselle. After a confrontation, Louiselle admits that he was tasked with scaring Jean-Guy off, but he's warning Jean-Guy instead about SecurFort's (security company owned by GHS) interest in him. Louiselle says someone wants something that Stephen has and hasn't found it yet.
Jean-Guy and Louiselle confront Séverine, who says that she's been looking into the same things after noticing their boss, Carole Gossette, is involved with some random projects. She thinks it has something to do with a mine in Patagonia that was found to contain a "rare earth mineral" called Neodymium. It's used for powerful magnets, but breaks down in the presence of extreme heat, cold or stress.
Meanwhile Reine-Marie and Armand look into a series a dates they found in Stephen's possessions. Stephen notices one the dates coincides with the death of a Parisian reporter in Patagonia. She worked for AFP, a news outlet owned by one of GHS's board members, Alain Pinot. At the same time, Stephen's secretary pieces together that Stephen had been liquidating his possessions, including selling off all his art and stock holdings.
Daniel, Armand's son, works for a bank and uses Armand's JSPS card to get into Stephen's accounts. However, as he does, he's captured by Claude and Girard. Claude tells Armand that they'll kill Daniel unless Armand locates whatever it is that Stephen had. Armand goes to talk to Pinot and (with the help of the Chief Librarian and the head archivist at the national archives), they figure out that the dates are associated with major plane/train/elevator accidents, likely caused by improper use of neodymium. Armand remembers that Claude had mentioned a nuclear reactor that was being launched soon, too.
Armand then looks for evidence of it, which he believes Stephen hid here (it's what Claude and GHS are looking for). Armand then gets a gun and brings a fake dossier back to Claude, which results in a shoot out. Both Claude and Armand are shot. Pinot turns out to be a bad guy (as well as Séverine). Girard and Pinot walk out, telling Louiselle to shoot Daniel.
Pinot goes to the GHS board meeting, but Daniel interrupts, alive and well. It turns out that Claude had been pretending to be in cahoots with GHS just until he could get enough evidence. Claude and Armand were both shot with fake bullets and both are fine. Louiselle also is on their side and did not shoot Daniel. Stephen had liquidated his assets in order to purchase a board seat and some of GHS's subsidiaries in order to help bring the company down. Claude tells the board about their discoveries about the company's wrong-doing and involvements in these accidents, and Pinot is arrested for murder.
The book ends with Stephen surviving the ordeal and the baby, Idola, being born.
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