Ryne Cain is beaten by Zenith City Enforcers. His blood activates the "Stellar Core Hub" and bonds with Lumin. Using the Stellar Core, he builds mechs, rises in the Black Market, and befriends Sister Lora, Tess Graham, and Fatty Finn. After Uncle Kane dies, Ryne leads the Dawn Rebellion against Zenith City. Finn, a clone planted by city lord Owen Graham, betrays him. Lumin saves him, Ryne becomes a cyborg, and overthrows Owen Graham.