Fringe follows FBI Agent Olivia Dunham, Consultant Peter Bishop and science explorer extraordinaire Doctor Walter Bishop as they search for clues to the series of bizarre and horrific crimes inflicted on the world. The world that we know.
The Fringe team - preserved in amber for 20 years - is now a rebel resistance team fighting for freedom. Peter, reunited with his now adult daughter, Etta, sets out to find out what happened to his wife and Etta's mom - Olivia - as they start their mission to save the world from the Observers.
As the rogue Fringe team continues to fight off the oppressive Observersâ€™ invasion, unforeseen events lead them into a forest where they encounter a strange subculture of people devoted to recording human history.
Olivia encounters a very intuitive and oracle-like person named Simone as she looks to recover a key piece of equipment for Walter. Meanwhile, Peter finds himself in a perilous situation as he observes Windmark.
The Fringe team is running out of time to save the world. As Peter, Olivia, Astrid and Walter scramble to tap into a key piece of the puzzle to defeat the Observers, they enlist the aid of Nina Sharp who conjures up a plan.
As time dramatically ticks down, Peter, Olivia and Walter stop at nothing to save the universe from Observer rule. Walter enters the infamous deprivation tank in an attempt to uncover a key piece of information about the mysterious figure, Donald. Meanwhile, Captain Windmark sets out on a revealing mission of his own as long-standing questions are answered.