No one will care, but I've looked into the acolyte book and there are some Sith reveals.
>The Stranger is not Plagueis' apprentice. He's just a random dark Jedi and Plageuis arrived to see what was going on
>The Stranger could be another potential apprentice of Tenebrous or an acoloyte of him.
It seems that they planned for a larger Sith story before the show was cancelled. They should've just done a Sith mystery story instead of the actual steaming hot pile of shit we got.