Cliff and J.R. continue to clash -- J.R. hatches a plot to get John Ross back, but Cliff decides to leave Dallas. Meanwhile, Lucy tries to repair her marriage.

With the help of Miss Ellie, J.R. is able to see John Ross while he is at Clayton Farlow's ranch. Meanwhile, Ray goes into business.

J.R. gets ready for a custody battle while Bobby begins the search for a child to adopt. Meanwhile, Cliff meets Katherine, his half-sister.

J.R. confronts the Farlows about John Ross. Meanwhile, Pam is sent to the hospital following a breakdown.

J.R. tries to seek revenge on the Farlow's by drying up their oil supply. Meanwhile, Bobby is able to buy information about Kristin's baby.

J.R.'s plot to dry up the Farlows' oil backfires. Meanwhile, Pam continues to withdraw from the family.

Jock unveils the new plan for Ewing Oil. Meanwhile, Ray's development runs into problems and Donna's book is published.

Cliff confronts J.R. about the note he is holding for the Ewings and threatens foreclosure. Meanwhile, Bobby uncovers a link between Kristin and J.R.

Miss Ellie discovers J.R.'s true motives as J.R. heads to a broker to look into selling Ewing stock. Meanwhile, Bobby uncovers the truth about Kristin's baby.

Miss Ellie turns on J.R. as J.R. tries to get Sue Ellen declared an unfit mother. Meanwhile, Ray pulls out of his development deal.

Miss Ellie puts together a homecoming barbecue when she learns that Jock is coming home from South Africa. However, the plans are put on hold when the family receives a devistating phone call.

In shock over Jock's disappearance, J.R., Bobby and Ray head to South America to help the crash investigation.

The reality of Jock's death hits J.R. hard. Meanwhile, Miss Ellie stops Jock's will from being read and Ray and Donna's relationship begins to fall apart.

While J.R. recovers from the devistation of Jock's death, Bobby takes over Ewing Oil. Meanwhile, Bobby lies to Pam about where the baby come from.

As J.R. makes his return to Ewing Oil, Ray faces conflict with Bobby and Donna. Meanwhile, Lucy is stalked by her photographer friend.

J.R. wants Ray's Ewing Oil voting shares and to ruin Sue Ellen and Cliff's friendship. Bobby manages to make some inroads into adopting Christopher. Donna begins to work on her next book. After seeing Mitch with somebody else, Lucy ends up with another man.

J.R. arranges a job opportunity so that Cliff will be out of Dallas. He then attempts to reunite with Sue Ellen. Donna finds Ray with another woman. Bobby buys a business for Pam to run. Evelyn informs Lucy that she wants to be with Mitch.

Bobby wants Sue Ellen's approval to allow him to adopt Christopher. J.R. attempts to get Ray's voting shares once and for all. Roger's obsession with Lucy gets out of control. Cliff learns about J.R.'s plan to get him out of Dallas.

Not knowing how Christopher really is, J.R. attempts to find out what happened to Kristin's son. Ray starts to put his life back together. Mitch wants Lucy to agree to a divorce. J.R. meets Katherine Wentworth.

Katherine need help from J.R. after Cliff is given power at Wentworth Tool and Die. Donna discovers a dreadful secret from the Ewing and Culver family pasts. J.R. manages to get his hands on Christopher's birth records.

Cliff ends up falling for the fake land deal. J.R.'s belief that's he's Christopher's father ends up leading to a blackmail plot. Lucy's request for a different photographer annoys Roger.

Bobby finds himself being questioned about Farraday's murder. The rest of the family await word about Lucy's kidnapping. Donna reveals what she found out about Jock and Sam's scheme.

Cliff attempts to get money from Sue Ellen. Bobby and Pam attempt to find Lucy. Bobby receives a visit from Farraday's associates.

Miss Ellie decides to accept that Jock is dead and comes to a decision on Donna's book. Bobby tries to help the police set up a sting to catch Farraday's killers. Cliff ends up being fired for embezzlement by his mother; J.R. attempts to win back Sue Ellen.

Cliff is really upset by Sue Ellen's return to J.R.. Bobby ends up revealing the truth about Christopher's parentage to Pam. Clayton returns to town. Lucy ends up admitting a terrible secret.