Erin gets conflicting advice about a college interview, while Tony sets up a new partnership between Space Force and an energy drink called Mad Buff.

Nora rallies the support of unlikely allies and Hyperloops to LA. Meanwhile, the issues in Nathan’s personal life come to a head.

While living with Ingrid, Nathan searches for Nora, who has fled of the grid.

At a status-obsessed dinner, Nathan faces ghosts from his past. Nora flexes her programming skills as she steps into activism.

Separated from The Doctor, Clara discovers a new menace from another dimension. But how do you hide when even the walls are no protection.