Contains spoilers for this episode and earlier episodes.
Hawk and Frank examine the pages hidden in the bathroom door and identify them as missing entries from Laura's diary. They describe Annie saying that the good Dale is trapped in the Lodge. The officers consider whether the person who returned with Annie could have been someone else. Frank contacts Doc Hayward, whose memories include Cooper's disturbing conduct after that night. In South Dakota, the headless body is linked to Major Briggs despite its impossible age. Gordon and Albert persuade Diane to see the prisoner. Her meeting with the double confirms her fear that he lacks something essential to the Cooper she knew.
Mr C pressures Warden Murphy by naming secrets the warden wants kept buried and demands a car, a gun and release with Ray. In Las Vegas, the police question Cooper and Janey-E about the exploded car. As they leave his office, Ike attacks with a gun, but Cooper suddenly disarms him with remarkable speed. The Arm appears with an instruction during the struggle, and Ike escapes injured. Janey-E describes her husband's actions to the gathering witnesses. At the Great Northern, Ben and Beverly try to locate a persistent hum and examine the returned key to Cooper's old room. The night ends with the double's arranged departure from prison, giving the FBI even less control over the man they have just questioned.