In the aftermath of the incident at the Great Northern Hotel, the investigation into Laura Palmer's death continues, and information is provided from an unexpected source.
Cooper receives some unsettling news, while Audrey continues to work undercover as a hostess at One Eyed Jacks in Canada.
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.
Donna, after discovering that Harold has Laura's secret diary, hatches a risky plan with Maddy to steal it from his home.
Cooper and Truman cross over into Canada to rescue Audrey, but not all goes according to plan.
Maddy prepares to leave Twin Peaks, Pete uncovers the truth behind Tojamura's intentions, and Cooper receives a devastating message.
Ben receives an unwelcome surprise, Norma's mother arrives in Twin Peaks with a new husband, and Bob covers his tracks.
Cooper attempts to locate Laura's killer after the discovery of another victim.
Blaming Cooper for the death of his brother, Jean Renault plots his revenge as the eccentric FBI agent prepares to leave Twin Peaks.
With Major Briggs missing, Cooper and Truman look for answers.
The investigation into the disappearance of Major Briggs continues, while Bobby tails Hank Jennings at the request of a mentally unstable Ben Horne.
Major Briggs has no memory of the place he was taken, but now has an odd tattoo on his neck. Andy and Dick break into Little Nicky's files. Mike and Nadine begin an affair. Evelyn asks James to kill her husband.
The rivalry between Cooper and Earle is revealed.
Agent Cooper finds out who shot him and gets help with his deadly chess game against Windom Earle.
Ed proposes to Norma; James and Donna say good-bye; and Audrey meets her fated one.
Cooper is attracted to a beautiful, reclusive woman as Truman grieves over Josie's death.
Cooper takes the sheriff's department on a midnight spelunking adventure, and Truman finds himself in the deadly embrace of a naked woman.
While Cooper and Truman try to unlock the secret of Owl Cave, the Miss Twin Peaks contest draws hot competition.
While romance blooms for Cooper and Annie, Donna finds a scrapbook that's full of surprises.
Cooper and the officers prepare for Windom Earle to make his move at the Miss Twin Peaks contest.