As Walter's situation grows dire, Sheldon and Brandon join forces in a do-or-die showdown with a supervillain. Hutch runs into trouble during a heist.
The perilous final leg of their journey pushes Sheldon's ragtag team to the brink. Walter reaches out to a questionable source to extract information.
Grace sees first-hand how the Code is affecting the younger superheroes. Tempers flare aboard the ship as Sheldon forges ahead with his expedition.
Sheldon tries to assemble a dream team for his quest into the unknown. An autopsy unearths a puzzling object that connects to Chloe's new acquaintance.
With her partying spiraling out of control, Chloe nears rock bottom. Sheldon encounters hardship in his search for answers to the visions haunting him.
Worried about Sheldon's uncharacteristic behavior, George pays him a visit. A foiled theft lands Hutch on the wrong side of a superpowered crime boss.