Mark is promoted to lead a team who've had their memories surgically divided between their work and personal lives.

The team train new hire Helly on macrodata refinement. Mark takes a day off to meet with a mysterious former colleague.

Mark takes the team on a field trip, but Helly continues to rebel. A deteriorating Petey struggles to tell Mark about Lumon’s misdeeds.

Irving and Dylan confront Burt about his lies. Mark and Helly discover a strange new department.

The team angers Cobel by forming an alliance.

Mark returns to work under different circumstances. Secrets from the Outie world come to light.

Tensions emerge after the team suffers a loss.

Irving finds an intriguing book at work. Helly aggressively pursues a meeting with her Outie. Mark attends a funeral with Ms. Selvig.

Mark contemplates the meaning of a message.

Mark and the team encounter new security measures from Cobel.

Bonds are tested. Mark continues on his path of discovery.

The team prepares a plan. Mark attends Devon and Ricken’s party.

Mark, Helly, Irving, and Dylan search for answers.

The team participates in a group activity.

The team discovers troubling revelations.

An old romance intersects with a deadly present threat.