With Atlantis In Sight 2

In his research for the lost city of Atlantis, Mark Steel runs into information of incoming global catastrophe and is preparing for it. When his, at the time ridiculed predictions started happening, his family, wife Olivia and sons Brian and Patrick with his wife and two kids, are joining him, and on a very unique boat are fleeing sinking California, heading to unknown. His secret goal is find the reemerging Atlantis, but question is, what he finds there.