Season 4

Gary's affair with Abby deeply hurts Val. Karen investigates Sid's death and confronts a U.S. attorney.

On the eve of the reading of Jock's will, J.R. visits and creates mystery for everyone except Abby.

Karen is certain she's found her husband's killer. Val's worst fears are confirmed during an interview.

Mike Douglas and Zsa Zsa Gabor make special appearances, as Val tapes an interview promoting her book.

Karen tries to lure her husband's killers into Knots Landing. Gary attempts to mend his relationship with Val.

Gary goes to Dallas for the reading of Jock's will and is shocked by Abby and Val. Karen and Mack plan a trip.

Gary makes a few investments that infuriate Abby. Karen fears her relationship with Mack is moving too fast.

Chip has a secret affair with Ciji, even as he romances Diana. Gary and Abby deal with Richard's restaurant.

Diana finds Mack with another woman. Abby secretly convinces a prestigious record producer to listen to Ciji.

Diana is admitted to the hospital with a mysterious disease. Abby makes a deal with a record producer.

After Abby is asked to donate a kidney to Diana, she faces an agonizing moral decision.

Mack hears shocking news from his father. Chip convinces Ciji to sign over 25 percent of her earnings to him.

Gary and Abby prepare to drop Kenny as a partner. Ciji learns she's pregnant, and Val has an affair.

Mack proposes marriage to Karen, who finds her love life complicated by an ex-boyfriend's arrival.

As Karen and Mack approach their wedding day, tensions mount. A tabloid publishes Val's stolen manuscript.

Mack begins life with his new family but must adjust. Gary loses his battle against alcoholism.

Gary spends the night at Ciji's apartment after a drunken binge. Abby makes plans to take Gary's inheritance.

A chain reaction of misunderstandings during the night of Ciji's album launch ends in a disastrous climax.

Ciji's body is found on the beach, as Gary awakens from a binge. Laura tells Richard to move out of the house.

As his arraignment looms, Gary believes he may have killed Ciji while on a drunken binge.

Val confesses to Ciji's murder and goes to jail. Abby fears Val's confession is a trick to win back Gary.

Laura believes Richard left because he's the real killer. Karen tells Diana that Chip was sleeping with Ciji.