Darth Cheikruc betrays the Sith Order

Darth Cheikruc was forced to go to the Sith Christmas party. But, instead, Cheikruc betrayed the Sith Order and joined the Jedi Order, who also celebrated Christmas. Darth Sidious was very angry and he sent his apprentice Count Dooku aka Darth Tyranus to find and kill Darth Cheikruc.