In the Stargirl Season 3 episode the tension in Blue Valley shifts from a local murder mystery to a larger, darker supernatural threat involving the legacy of the original Justice Society of America. Flashback: The Separation of Twins

They travel to the Helix Institute, where they find Todd being experimented on. Despite Todd’s warnings that he will "destroy everything" if moved, Jennie touches him. This triggers a massive surge of energy, transforming Todd into the being known as . The episode ends on a cliffhanger as Obsidian's energy knocks everyone back, and Pat and The Shade find themselves transported to a monochromatic version of Blue Valley—the Shadowlands .

The episode opens six months in the past at the Ordway Home for Children. It's , and she receives a box of lozenges containing items belonging to her long-lost brother, Todd Rice . Simultaneously, Todd is in Civic City with his boyfriend, Danny, who gives him a ticket to Milwaukee to find Jennie.

Her double life reaches a breaking point when her mother confronts her about her frequent "night shifts". Refusing to hand over her phone, Yolanda is kicked out of her home and finds refuge with the Dugan-Whitmores. The Shadowland Connection

When Jennie touches her father’s Green Lantern ring, it activates, causing both her and Todd's eyes to glow. Todd’s powers manifest as uncontrollable , leading to his arrest and eventual delivery to the Helix Institute for "specialized" care by Mister Bones and Nurse Love. Operation Blackout Bomb

In present-day Blue Valley, the JSA deals with the discovery that the entire town is being surveilled. To counter this, Beth Chapel orchestrates —a plan to trigger a town-wide power outage so the team can disable hidden cameras without being seen.

Having removed the limiter on his hourglass, Rick revels in his newfound, unlimited strength. However, his increasingly aggressive behavior and "roid-rage" worry Beth.