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

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

The team discovers troubling revelations.

Mark contemplates the meaning of a message.

Mark and Devon team with an ally. Helly investigates further.

Mark forms a shaky alliance in an all-or-nothing play, while the team makes a dangerous last stand.