The Guardian of the Seas

There is a family, the Nektons, a family of adventurous underwater explorers who live aboard a state-of-the-art submarine, the Aronnax, and explore unknown areas of the Earth's oceans to unravel the mysteries of the depths. They are in search of one of the world's greatest mysteries, Lemuria, the lost city. And to help them find it, they come across a legendary guardian that could help find the city. Could this guardian help the Nektons on their journey? Only time can tell.