Oil rig crew rescued by helicopter, relocated. They face dangers, conspiracies, and threats from ocean depths. Storyline explores Earth's history, present, future with thrills and action for characters. Objective plot points presented.

Cast: Martin Compston, Iain Glen, Emily Hampshire, Rochenda Sandall, Owen Teale, Stuart McQuarrie, Molly Vevers, Abraham Popoola, Nikhil Parmar, Ross Anderson, Johannes Roaldsen Fürst, Alice Krige, Mark Addy, Phil McKee, Susan Rae, Benedict Andrew, James Matheson