The beginning is a very delicate time. Know then that it is the year 10191. The Known Universe is ruled by the Padishah Emperor Shaddam IV. In this time, the most precious substance in the universe is the spice Melange. The spice extends life. The spice expands consciousness. The spice is vital to space travel. The Spacing Guild and its navigators, who the spice has mutated over 4,000 years, use the orange spice gas, which gives them the ability to fold space. That is, travel to any part of universe without moving.