

In the sterile laboratories of Kamino, the ailing clone trooper Tup and his friend ARC Trooper Fives are quarantined for examination following Tup's shocking murder of a Jedi Master. With the help of medical droid AZI-3, Fives is determined to get to the bottom of Tup's condition and uncovers a secret buried deep within the Republic's cloning program.
Clone trooper Tup succumbs to a mysterious mental illness that results in the shocking death of a Jedi Master. Unable to account for his murderous actions, Tup is sedated and sent back to Kamino for examination. Meanwhile, Admiral Trench of the Separatists informs Count Dooku of the betrayal, and is convinced that the killing stems from something deeper. Anakin Skywalker and ARC Trooper Fives accompany Tup, but their return trip is ambushed by Separatists.