Creating panic throughout the galaxy, a devastating Separatist mystery weapon terrorizes the clone starfleet. Anakin and Ahsoka race to save Jedi Master Plo Koon and his clone troopers in time. Jedi Master Plo Koon and his squad barely survive an attack from a mysterious Separatist warship called the Malevolence. Can they stay alive long enough for Anakin and Ahsoka to find them?