Following the recent shocking revelations and emotional events, Peter weighs his options as the Fringe team investigates a killer targeting love.
Adam leads the Mutant X team on a mission to protect Ashley Elliot, a new mutant whose insatiable consumption of electricity is causing city-wide blackouts.
Will follows clues that may expose a dangerous secret about the Seattle Colony. Katie helps a refugee family. Bram steps in as a parent to Gracie.
On the season finale Drill's mysterious endgame is put into motion and the team must do their utmost to stop it before it reaches its final, and possibly deadly, conclusion.
