When the neighborhood women spend the night in an old haunted mansion, things turn strange.

Lilimae leaves for Las Vegas. After Richard takes out his anger on Laura, she seeks comfort with Scooter.

Mack learns the recording he made of his transactions with Mary is unusable. Vanessa tries to blackmail Anne.

Diana's first sexual experience is a disaster. Richard and Abby have an affair.

When an elderly film director lavishes Abby with gifts, she utilizes her resemblance to a silent film star.

Armed gunmen invade the Ewing house during a baby shower for Ginger and hold the women hostage.

Ginger's sister Jill is left in a coma after smoking some marijuana Eric brought to a party.

Someone is waging war on the Sumner Group, but Mack's chief concern is Paige's safety; Danny means to end Gary's interference; Eric returns to make amends.

Sumner schemes to retake control of The Sumner Group. Nick warns Claudia about leaving The Sumner Group.

Karen and Sid disagree about their son Michael, who has a discipline problem at school.

Linda finally tells Sid she's in love with him. Ginger tells Kenny she's pregnant.

When Gary has a hard time facing Val's operation for a malignant growth, his brother Bobby Ewing visits.

When the IRS audits the dealership, Karen asks for Abby's help. After a party, Richard doesn't come home.

Val's former boyfriend leaves his troubled 11-year-old stepdaughter with the Ewings and leaves town.

The Mackenzies rearrange their lives for Jason; Gary gets news from Val's doctor; Frank and Charlotte have their first nondate; Linda's ploy backfires; Kate's new pal Steve stirs up trouble.

When a motorcycle gang terrorizes the residents of Knots Landing, Sid's daughter is abducted.

Brian keeps his gun pointed at the members of the MacKenzie family, as he awaits a call from Sumner.

Mack and Gary return from Florida with news about who killed Val and Mary. Mack and Karen argue.

Jeff threatens to take the kids away from Abby. Laura is tempted to have an affair with a client.

Diana's rebellious behavior leads to her arrest. Karen meets a young widower.

Abby hires a private detective to investigate Jill. Gary gives the twins a very generous gift.

Sumner grieves over Mary Frances by taking solace in a bottle---but the mystery of her death only becomes more complicated; Harold acts drastically when he's unable to pay a debt; Val's desperate act surprises Karen.

Sumner proposes to Anne. Mary asks for a court hearing to get visitation rights with Meg.

When Karen's daughter's controversial high school teacher is about to be fired, she comes to his defense.

Richard is in financial trouble and tries to loan money from neighbors, as Sid discovers his money is missing.