The main hero is a young boy named Voice Knuckles, who enjoys a peaceful life with his mother and his girlfriend Diggy. But the cruel Emperor Agares attacks his planet and destroys Voice's home, killing his mother in the process. The boy swears revenge. Aided by his girlfriend and his friends, he assembles a rebel army from fighters who navigate giant robots, and is determined to defeat Agares at all costs.

The main hero is a young boy named Voice Knuckles, who enjoys a peaceful life with his mother and his girlfriend Diggy. But the cruel Emperor Agares attacks his planet and destroys Voice's home, killing his mother in the process. The boy swears revenge. Aided by his girlfriend and his friends, he assembles a rebel army from fighters who navigate giant robots, and is determined to defeat Agares at all costs.