Cooper and Truman try to find The One-Armed Man.

Donna meets with Harold Smith, a recluse who may be the key to solving Laura's murder.

Ben Horne asks Cooper for help in rescuing Audrey, and Donna uncovers a significant piece of evidence at Harold Smith's home.

Cooper and Truman cross over into Canada to rescue Audrey, but not all goes according to plan.

Cooper attempts to locate Laura's killer after the discovery of another victim.

The investigation into the disappearance of Major Briggs continues, while Bobby tails Hank Jennings at the request of a mentally unstable Ben Horne.

Agent Cooper finds out who shot him and gets help with his deadly chess game against Windom Earle.

Cooper takes the sheriff's department on a midnight spelunking adventure, and Truman finds himself in the deadly embrace of a naked woman.

While romance blooms for Cooper and Annie, Donna finds a scrapbook that's full of surprises.

Cooper must overcome his deepest fears as he enters the Black Lodge to save Annie from Windom Earle.

A young FBI agent disappears while investigating a murder miles from Twin Peaks that may be related to the future murder of Laura Palmer. The last week of the life of Laura Palmer is also chronicled.