Throughout its fourth season, Star Trek: Lower Decks put the crew of the USS Cerritos through the wringer as they faced a conspiracy involving rogue starships led by a familiar unfriendly face in disgraced Starfleet cadet Nick Locarno. The confrontation showcased how much protagonist Beckett Mariner believes in Starfleet's mission, as she stopped Locarno from running off with a devastating Genesis device capable of eradicating all life on an entire planet. By the end, the day is saved again, with plenty of spacefaring action and self-aware jokes as Mariner proves how capable and heroic a Starfleet officer she truly is.
Source：https://www.cbr.com/star-trek-lower-decks-season-4-mike-mcmahan-interview/
