With Captain Freeman facing trial for destroying the Pakled homeworld, Mariner enlists her friends for a rogue mission to return to the Cerritos and clear her mother's name.
Mariner is stuck working with Commander Ransom while traveling to a paradise planet. Boimler decides to break out of his shell by saying yes to everything.
The Cerritos is assigned to a remote science outpost to remove stone orbs that bring fantasies to life. Meanwhile Tendi starts her training for the Senior Science Officer program.
Mariner, Boimler, and Tendi take on Delta Shift after learning that their rivals are planning to rig the room lottery. Captain Freeman leads the engineering team on mandatory relaxation leave.
While Mariner and Boimler are stuck manning the Starfleet recruitment booth at an alien job fair, Rutherford fights for control of his body with an alternate personality inside his cranial implant.
The Cerritos docks with station Deep Space Nine to negotiate a trade deal with a Gamma Quadrant species. Tendi is frustrated by a fellow Orion officer, and Mariner is stuck hanging out with Jennifer's friends.
A sentient Exocomp who abandoned the Cerritos and deserted Starfleet finds herself on a primitive planet, where she tries to find her own way in the universe.
Boimler tries to outdo Mariner with his newest holodeck movie adventure, putting the Lower Decks crew into an epic adventure of Romulan triplets and time travel ... but where Boimler seems more interested in going off script.
Captain Freeman is on edge after Starfleet sends a reporter to cover the Cerritos on an important mission – and Mariner decides to insert herself when her mother tries to hide the lower deckers.
When the crew is recalled to Earth after the failure of "Project Swing By," Captain Freeman must prove the worth not only of her crew but of the entire California class – prompting her to challenge Vice Admiral Buenamigo to a "second contact" race.