A prequel to Rồng Đất (1990), this movie tells us about how the town of Perfection, Nevada became founded and how they defended it against the Graboids with the help of Burt Gummer's ancesto... Read allA prequel to Rồng Đất (1990), this movie tells us about how the town of Perfection, Nevada became founded and how they defended it against the Graboids with the help of Burt Gummer's ancestor, Hiram.A prequel to Rồng Đất (1990), this movie tells us about how the town of Perfection, Nevada became founded and how they defended it against the Graboids with the help of Burt Gummer's ancestor, Hiram.