Peter Jackson, members of Weta, and film production personnel are interviewed, telling of the birth of a small company in 1993 (for the making of Heavenly Creatures), which would provide visual effects for The Lord of the Rings: The Fellowship of the Ring, and its various tasks in rendering fictional, fantasy environments and entities. The process behind the making of the Watcher in the Water, the Cave-troll, the giant corridor of Dwarrowdelf, the Balrog and its fire effects, the water-horses of the Bruinen flood, and the Ringwraiths' true appearance are explained by effects specialists of Weta Digital and the American company Digital Domain.