It is time to meet the greatest Starfleet Captain ever, Edward Jellico, who unlocks the full potential of the Enterprise by... going from 3 shifts a day to 4? How many people does it take to crew a starship exactly, and who is Steve on Comms? Deep down, the HR person inside of us is all proud.
This is also the pair of episodes where we get to see Sir Patrick Stewart's Full Moon illuminated by four, maybe five, lights.