Maddie, une adolescente victime d'intimidation, reçoit l'aide d'un inconnu en ligne ; Caspian, un adolescent solitaire et génie des mathématiques, se débat avec la relation toxique de ses parents ; Chanda, un ingénieur en informatique, rencontre secrètement un géant technologique rival.

Ellen se bat avec les logarithmes pour le contrôle de la conscience de David; Maddie apprend la vérité sur la mort de son père et rencontre un inconnu qui veut l'aider; Caspian tombe sur la crise de Maddie sur le dark web ; Une nouvelle conscience est téléchargée.

La vie de Chanda tourne en boucle; Maddie et David rattrapent le temps perdu; Ellen essaie de quitter son mari décédé; Caspian regarde le mariage de ses parents se désintégrer tout en essayant de commencer sa propre romance.

David apprend à maximiser son pouvoir à partir d'une source improbable; Maddie et Ellen découvrent qu'elles ne sont pas seules. Cary remet en question le plan; Caspian se rapproche d'Hannah et de la vérité; Chanda cherche à se venger.

Caspian fights to learn the truth about his identity; an unlikely team builds David a new home in a familiar place; David and Laurie fight to evade those who are trying to delete them.

The flaw takes its toll on Laurie; Caspian's and Maddie's worlds finally collide; Chanda builds his own reality.

Caspian searches for a new life; The superpowers catch up; Laurie and Chanda consider moves that could change the world forever.

America enters the cloud; Caspian takes over; Chanda forms a new rebellion; Cody continues the fight; David enters the battle; Waxman gets off the fence.

While Ellen testifies before Congress, Maddie leads a group of teens to get the local network up and running; Caspian, in charge at Logorhythms, leads a team to help him crack integrity; Chanda waits for help with other uploaded minds.

Caspian must convince Maddie to bring David's upload back online in order to crack integrity; Ellen reveals a secret to Congress that could bring Logorhythms down; Pope works in the shadows to finish the mission he helped start.

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, Caspian and Mist travel to London to meet Olivia; Holstrom continues his quest to be cured of the flaw; SafeSurf develops a mind of its own.

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.

Caspian and Maddie try to save humanity from Holstrom's virus; Former foes create alliances to help save the world.

Caspian wakes up to a new world twenty years in the future where conflict between uploaded intelligences and humans is at a breaking point. The world needs him now more than ever.

Caspian negotiates between uploaded intelligences and humans; SafeSurf turns against humans; Maddie gains some perspective on life.