Eeh, Great Freeze was an ecological disaster caused by sailor chaos. When Usagi is interred on the Silver Throne after revealing herself as Neo-Queen serenity, she restores the population to their rightful place on earth, then loses her daughter to time manipulation hijinks, which prompts her to ally with Sailor Mars embark on her great crusade to unite the Sailors and find her lost sons, accompanied by her loyal yet enigmatically powerful servant Mamodor…