The Shock, led by Hextar Vigar, invades the Solar Cluster, and destroys the home world of siblings Zadam and Triply.
The Brats gear up to wage war on the Shock.
The Shock captures Triply, who is subjected to a mind probe by Doctor Faboo. Vigar realizes that he has no memory of his own past prior to joining the Shock.
Lavana loses her wings during an attack by the Shock and falls in with a self-help guru who is secretly collaborating with the Shock.
Triply takes off to search a derelict freighter for her and Zadam's parents, followed by Zadam and Duncan, while Lavana and Ryle learn more about the Planetoid.
Doctor Faboo imbues a Shock Warrior with an A.I. that is an amalgamation of all of the personality traits of the Brats.
Ryle turns out to not be an orphan, and begins undergoing his race's potentially fatal equivalent of puberty when he is abducted by the Shock.
A parasite latches on to Duncan and causes him to begin mutating out of control, and the only person who can save him is Doctor Faboo.
Zadam and Duncan get caught on Vigar's ship.
Planet Dwein needs saving from the shock invasion.
Zadam begins to lose hope, and so is shown visions of the past by the Planetoid.
Zadam and Triply reunite with their parents, but they are actually robots built by Vigar and Doctor Faboo to infiltrate the Planetoid.
Vigar regains his memories and invades the Planetoid, leading to a climactic confrontation between him, the Brats, and the Shock's true leaders, the Hosts.