Puzzling Pursuits: Origins & Ends

You've expertly foiled plot after plot, but each time Reager has slipped just beyond your grasp. Now, new information has come to light that may finally give you the upper hand. You return to the origin of your conflict to reveal hidden secrets that were previously just beyond reach. Along the way, you enlist the help of an old friend and embark on what you hope will be the final saga of this journey...