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

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