Adam, a visiting angel, gives despairing J.R. a view of what life would have been like had he never been born, in a special two hour series finale.
J.R., nearing a breakdown from recent losses, faces another major defeat when a vengeful enemy from his past returns with unwelcome news. In other developments, Cliff is shocked to learn that his nemesis is now his business partner.
At her daughter Jory's request, Hillary Taylor, aka Sheila Foley, agrees to meet with Bobby at Southfork, unaware of the danger that lurks there.
After learning that he's the father of Cally's baby, J.R. leaves Southfork to track her down. Later, Clayton returns to Southfork with shocking news from Miss Ellie for both J.R. and Bobby.
J.R. must decide whether to encourage James to remain married to Debra Lynn so that Jimmy will remain with the family, or to divorce her and re-marry Michelle so that the family with retain a stake in Ewing Oil.
J.R. treads lightly as he keeps Debra Lynn, the woman who claims to be James' wife, at bay while manipulating James into returning to his current wife, Michelle.
Bobby and J.R. get a respite from their troubles when they take their sons -- James Richard, John Ross, and Christopher -- on an authentic Southfork cattle drive.
Southfork experiences another turbulent marriage and this time J.R. plays referee as James and Michelle duke it out. Meanwhile, Liz bargains to sell her company to J.R. in exchange for Cliff's appointment as the government's energy czar.
Bobby gets a jolt of adrenaline when he learns that Sheila Foley will be in town soon, but he can't ignore his growing involvement with his unsuspecting ally, Jory, Sheila's daughter.
Unaware of her grand scheme for revenge upon him, J.R. is forced to face the sobering fact that Michelle owns Ewing Oil. J.R. gets thunderstruck when James informs him that Michelle is his wife while Bobby finds the daughter of Sheila Foley in Malibu.
Lee Ann continues her sly seduction of J.R., taking the final steps in her elaborate plan to drastically change his personal and professional life forever.
J.R. contemplates romancing Lee Ann in his effort to win back Ewing Oil, unaware that he's falling into her trap.
A forgotten moment from J.R.'s past returns to haunt him as Lee Ann takes control of Ewing Oil and plots with Michelle to destroy every facet of J.R.'s life.
Things go from bad to worse for J.R. when Ewing Oil slips further from his grasp and James makes a shocking announcement about Cally in the midst of J.R.'s engagement toast to Vanessa.
Venezuelan oil magnate Lee Ann De La Vega attempts to cast a spell over J.R. Ewing when she maneuvers to buy his precious Ewing Oil. Despite J.R.'s vehement objections, Bobby decides to rid himself of the oil company.