The Jedi Knights lead the battle against a powerful droid army of separatists, while Anakin Skywalker mentors his first Padawan, a girl named Ahsoka, while learning the skills of a warrior and becoming a hero of the Clone Wars.

On a mission to sabotage a nanovirus research facility on a Separatist-held planet, four clone troopers operated under the very noses of their enemies. The commandos are outnumbered and outgunned, deep behind enemy lines with no backup--and working with strangers instead of trusted teammates. Matters don't improve when Darman, the squad's demolitions expert, gets cut off from the others during planetfall. Even Darman's apparent good luck in meeting...