In this episode, the fugitive Fringe science team infiltrates Walter's former lab looking for important information needed to defeat the invaders. They capture a loyalist security man to exploit his access, then learn that the information they seek will require an extensive search for hidden videotapes.
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Etta learned to have faith in the captured Loyalist and to have faith in humanity in general.
Observers are featured in this episode.
The dragon poster in the marketplace in 'Transilience Thought Unifier Model-11' hints at the painted dragon in the steam tunnels in 'In Absentia' that guided the Fringe team back into the Harvard lab.
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