Maddie meets a family member she didn't know existed; Caspian and Maddie meet an uploaded astronaut and her family on earth; Renee helps Holstrom break free of his hard drive.

Maddie and Mist try to find and rescue Caspian, who is held hostage until he promises to cure his captor; Ellen and Waxman learn of a plan to destroy humanity from the unlikeliest place.