Severance Season 1 Episode 2: Half Loop

The team trains new hire Helly Riggs on macrodata refinement, a tedious process of sorting numbers into digital bins. Helly rebels against her captivity immediately, demanding to leave and attempting to send messages to her outie, but the severance procedure makes escape impossible.

Mark takes a day off to meet with a mysterious former colleague, Petey, who has undergone reintegration, a procedure that merges innie and outie memories. Petey warns Mark about Lumon's misdeeds and the true nature of their work, but his reintegrated mind is deteriorating.

Helly's rebellion intensifies, including a self-harm attempt that shocks the team. Mark, torn between his loyalty to Lumon and his growing unease, begins to question the nature of his employment.

Helly's desperate rebellion establishes her as the catalyst for change on the severed floor. Petey's reintegration and warnings introduce the possibility that Lumon's work is more sinister than it appears, and that the severance procedure may not be as permanent or safe as claimed. Mark's growing unease sets the stage for his awakening.