Beginnings of Dune

It is the year 1390 B.G. The Old Empire is in it's prime under Grand Emperor Enno IV. But everything ends, and here we see the events which will lead to the Butlerian Jihad and ultimately Dune take shape. The Harkonnen Chapter plots to overthrow the Imperial dynasty, meanwhile the Imperium's Grand Religion is being questioned more and more, and rebels lurk on the planet of Arrakis.