Archer allies with Silik to stop Vosk and the alien Nazis, restoring the timeline and ending the Temporal Cold War.
Vosk seeks an alliance with Enterprise and releases Tucker and Mayweather, but Phlox discovers that the returned Tucker is really Silik in disguise. Archer and Silik agree that they need each other to stop Vosk, whose Na'kuhl faction is building a temporal conduit to return home with Nazi help.
With the resistance, they bring down the shields protecting the complex and rescue the real Tucker. Silik is killed near the conduit, and Enterprise flies over New York City to destroy the facility with torpedoes. Daniels shows Archer the timeline resetting and the Temporal Cold War ending with Vosk's death. The episode was directed by David Straiton and written by Manny Coto.