Ensigns Boimler and Mariner embark on a shuttle mission to a Klingon compound while Ensigns Tendi and Rutherford spend time together back on the USS Cerritos.

Ensign Boimler welcomes his girlfriend Barb onto the USS Cerritos, much to Ensign Mariner’s dismay — while Ensigns Ruthford and Tendi have starship envy when the Cerritos rendezvous with the more-advanced USS Vancouver.

The USS Cerritos encounters a familiar enemy. Tendi helps a struggling recruit find her footing.