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A suicide calls for a deeper investigation when a peculiar sigil is unearthed in the crime scene. Convinced this was no mere coincidence, a detective dives into a hundred years’ worth of unexplained deaths, all of which occur in a single room.
 
                    


 
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                    