In the expanded Star Trek Universe, "Star Trek: Section 31" follows Emperor Philippa Georgiou as she joins a secret division of Starfleet tasked with protecting the United Federation of Planets and confronts the darkness of her past. Set in the franchise's "lost era," this film brings together rich sources of lore from both the Mirror and Prime Universes, delving into themes of dictatorship, covert operations, alternate timelines, and the devastating consequences of annihilation.