In season five, the crew of the U.S.S. Cerritos is tasked with closing ‘space potholes’ – subspace rifts that are causing chaos in the Alpha Quadrant. Pothole duty would be easy for Junior Officers Mariner, Boimler, Tendi and Rutherford … If they didn’t also have to deal with an Orion war, furious Klingons, diplomatic catastrophes, murder mysteries and scariest of all: their own career aspirations.