When a specific group of guests at a wedding dies of asphyxiation, the crime has the Fringe team investigating how the toxin was delivered and targeted. Ties are found linking the toxin to the Bishop family.
This week's episode on Fringe is titled "What Lies Below." During it, there's a lethal virus... and it's spreading. Walter, Broyles and Astrid search for answers when Peter and Olivia become trapped in a Boston office that's been quarantined by the Centers for Disease Control because of this deadly virus.
It's off to a small town this week on Fringe. The episode is titled "Johari Window." The team heads to a secluded small town to investigate a mysterious cover-up involving humans with horrible deformities. How far will the town go to keep their secret?