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.

Following the recent shocking revelations and emotional events, Peter weighs his options as the Fringe team investigates a killer targeting love.

Rev Bem gets a call from a Wayist friend in need of his help to save the Hajira and its settlement, Serendipity, from being taken over by slavers.