The story begins with the tragic destruction of Kwejian, the home planet of Cleveland "Book" Booker. As the Federation reels from the loss, Burnham and her crew are tasked with investigating the anomaly. They soon discover that the DMA is not a natural phenomenon but a piece of highly advanced technology sent from outside the known galaxy by a mysterious species known only as . A Galaxy Divided
In the 32nd century, Captain Michael Burnham and the crew of the U.S.S. Discovery face a threat unlike any before: the Dark Matter Anomaly (DMA). This massive, unpredictable force of destruction wanders through the galaxy, consuming entire worlds in its path. The Mystery of the DMA Star%20Trek%20Discovery%20Season%204%20Vietsub
Because Season 4 aired on Paramount+ (which does not officially operate in Vietnam in a localized way), fans rely on community-driven Vietsub. Here is the current landscape: Star Trek: Discovery Season 4 — Vietsub Species