Not much is known about this episode, as it has only just entered post-production. What is known is that it will take place within the Klingon Empire, and will feature Klingon characters sporting both their TOS looks, as well as movie/TNG-era head ridges. In fact it is this vary episode which gives viewers a reason why the Klingons have two kinds of humanoid appearances. The reason given was that the Klingons seen with out the cranial ridges were a created species of Klingon that would serve as Ambassadors to the Federation from the Klingon homeworld.