'Star Trek: Discovery' Season 3 Episode 8 Preview: The Burn's source is finally located, but who's behind it?

The Burn's origins have finally been discovered, but a threat from the Emerald Chain puts the Discovery's fact-finding mission on hold

                            'Star Trek: Discovery' Season 3 Episode 8 Preview: The Burn's source is finally located, but who's behind it?
(CBS All Access)

At long last, the USS Discovery-A has located the source of the Burn. Using the data they've painstakingly retrieved over the past several episodes, the Burn's source has been triangulated... though there's no telling what they might find there once they've traced it to their source. Before they can get to that, however, the crew has a lot more they need to be dealing with when their own crew members find themselves in hot water.

Michael Burnham (Sonequa Martin-Green) and Book (David Ajala) head to Book's home planet, first, to go head to head with the leader of the Emerald Chain. The Emerald Chain has been a major thorn in the Federation's side, taking advantage of the dilithium shortage in the galaxy to establish its criminal empire. Book draws the line at his home planet being taken over, however, and he's bringing Burnham along for the adventure.

Back on the ship, however, it's Sylvia Tilly (Mary Wiseman) and Paul Stamets (Anthony Rapp) who are taking lead on things. The two have to adjust to Till's new role as Number One, and their new working relationship is about to be put to the test. In addition to discovering the Burn's origin point, the science duo has to deal with a strange anomaly occurring with Philippa Georgiou (Michelle Yeoh). Since coming to the future, Georgiou has learned that her home reality has drifted away from the reality she's in — and this appears to be causing a certain amount of instability to her existence. Stamets and Tilly have never encountered anything quite so strange — but dealing with the impossible is exactly what the Discovery does best.

The official synopsis for this episode, entitled 'The Sanctuary', reads "Burnham and the USS Discovery crew travel to Book’s home planet to help rescue it from Osyraa, the formidable leader of the Emerald Chain. Meanwhile, Stamets and Adira continue their search for valuable information on the origin of the Burn." You can watch a trailer for the episode below, which shows glimpses of Book's home planet, and Georgiou's own anomalous instability:


This episode of 'Star Trek: Discovery' airs December 3, on CBS All Access.

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