Set 8 years after Revenge of the Sith. Anakin Skywalker wasn't the only one to fall into the Dark Side... Ankor Caintane also fell to it, becoming the Sith known as Darth Toorn, but during his journey as Palpatine's Apprentice alongside Darth Vader, he saw the amount of lives he has taken, how everything he was promised with, were just empty promises... so he fought back... and escaped... and now, 5 years after he left, he will be forced to fight once more.