In mythology, the Roman god, Pluto is the counterpart of the Greek god, Hades who is often seen as the embodiment of destruction, chaos, and death. He was often undermined by his brothers for his ruling of the underworld. Thus, to dream about the planet Pluto, means that there may be hidden potential beneath your exterior or transformation is about to take place. It may also indicate your fear and anxiety for an event that is about take place.