Even in the years before the Clone Wars, Mace Windu was known for his discipline, determination and combat skills. Now, they will all be put to the test as he vies to stop an incendiary secret from falling into the wrong hands! When a scientist’s discovery threatens the balance of the galaxy, Mace is led down a treacherous path of mystery and action! And he must work together with Azita Cruz to escape the menace of the Bore Worm! But what else lies in their path and who is following them? And what is Coaxium Ultra?