When all the passengers and crew on Flight 627 Hamburg-to-Boston die in a hideous manner, FBI agent Olivia Dunham investigates the event. While following up a lead, her partner and lover, John Scott, undergoes life-threatening chemical contamination. A desperate Olivia looks for help and finds Dr. Walter Bishop, who cannot help her because he has been institutionalized. The only way to even question him is with the help of his son Peter.
Olivia continues her investigations and goes to Nina Sharp, a manipulative executive. Olivia, Peter and Dr. Bishop begin to discover what really happened on Flight 627 and start to uncover a larger truth.moreless