Dark Cain and Death Vulcan are finally together. Usagi must hurry and stop this deadly team before they try to destroy everything. But the problem is the planet Vulcan is split into two parts: a light and dark side. Can Usagi destroy a planet that only wants to become a whole? With her unlikely companions, she must travel to Vulcan and save the Sailor Senshi who have been captured. Can theSilver Crystal save everything?