Gray Matter

At the Hero Hive, Sonny receives a transmission calling the Heroes Act to the Victorseus System, which seems to be from her father. Thus they go to Irophia, and discover that the world is abandoned and at apparent siege by VertSpek, only to discover that it's being dictated by Victorseus, a former nanobotic Vert-Bot who actually lied about the transmission to lure Sonny to him so he can get revenge for destroying his master, and after scorning Junny for her childish hopes that her father is still alive and hurting her, Sonny and the HA swear to make him pay for what he did, as he vows to find a Crystalline Core meant to backup or purify VertSpek to resurrect his master. But the HA are able to summon the Shell Lodgers to help as they aim to destroy the Core, but are opposed by another person, an amputee and Victorseus' archenemy named Kaide, whom Sonny falls in love with despite the fact he wants the Core to purify VertSpek, which he is denied because of the threat it poses, swearing to do all in his power to kill them if they don't do what he wants. Thus with two enemies after them, the heroes must destroy the Core so it won't be used by either of them, and stop this evil robotic revolution once and for all.