"A murder in Paris brings Commissaire Adamsberg out of the Icelandic mists of his previous investigation and unexpectedly into the region of Nîmes, where three old men have died of spider bites. The recluse has a sneaky attack, but is that enough to explain the deaths of these men, all killed by the same venom?At the National Museum of Natural History, Adamsberg meets a pensioner who tells him that two of the three octogenarians have known each other...