What If Darth Plagueis Murdered His Apprentice Emperor Palpatine?

How would the Skywalker family saga turned out if Darth Plaugeis had murdered his apprentice Palpatine? Would Paluageis, the Sith Lord said to have created Anakin Skywalker have been able to turn him to the Dark Side? Would Plaugeis have been able to end the Jedi order by flawlessly executing order 66 as Palpatine had done? We'll find out in the episode of Star Wars Theory.