Sue Ellen is unsuspecting when B.D. Calhoun, whom she knows as Peter Duncan, makes contact with her in his vendetta against J.R. Calhoun "accidentally" bumps into Sue Ellen and Pam. Ray feels the frustration of losing his wife and their expected child.
Ewing Oil makes a financial comeback as Bobby and J.R. secure important deals, but J.R. is too overcome with anxiety about B.D. Calhoun to savor the success. Bobby becomes suspicious when J.R. acts overly concerned about Southfork's security system.
Fearing for the safety of their families, J.R. and Bobby send Sue Ellen, Pam, John Ross, and Christopher to California to escape the menacing threat of Calhoun but J.R. is forced into a deadly showdown when the terrorist locates them.
J.R. pays an emotional price for his involvement with Calhoun but he may face a bigger danger with the law for consorting with a terrorist. Despite her growing relationship with Senator Dowling, Donna feels stifled in her efforts for the oil lobby.
An ecstatic Cliff Barnes unloads a stunning bombshell on the Ewing brothers. Furious at Cliff's disturbing disclosure, J.R. divides the Southfork house by accusing Pam of scheming with her brother to bring ruin to Ewing Oil.
J.R. deviously schemes to frame Cliff Barnes for Jamie's death. While secretly maneuvering to secure the infamous ten percent of Ewing Oil, J.R. also orchestrates a meeting between April and a friendly judge who may end up being helpful to his cause.
An intensive court battle results in a decision which causes pandemonium in both Ewing and Barnes' camps. J.R. and Bobby undertake a vicious custody battle with Cliff for the elusive ten percent of Ewing Oil.
Tired of J.R.'s underhanded business tactics, Bobby, Ray, and Miss Ellie sell out, turning their shares of Ewing Oil over to J.R. News from Washington hurls the Southfork family members into angry turmoil.
Miss Ellie worries about Clayton's activities while Sue Ellen meets Nicholas Pearce, a dashing investment banker who seeks to help her build up her lingerie business. Meanwhile, J.R. obtains the will for Pamela in case she doesn't make it.
Bobby and Cliff and the rest of the Ewings desperately search for Pam, fearful that the mystery figure may be involved in her disappearance. Bobby and Cliff make an odd pair as they scour Texas to unravel the mystery surrounding Pam.
Ray and Jenna reveal their good news to Bobby and the rest of the Ewings. Despite their budding relationship, Bobby severs ties with Lisa Alden in the interest of Christopher, but takes the initiative with another woman from his past.
Frustrated and furious at Cliff for shutting down his oil rig, Dandy takes control with a shotgun. J.R., with the unwitting help of April Stevens, continues to pursue Weststar, as well as Kimberly Cryder.
With Bobby as best man, Ray and Jenna finally exchange wedding vows. The wedding day finds Christopher struggling with the discovery of the identity of Lucas's father, while Jenna pines over past feelings for Bobby.
Bobby prepares for a brutal court fight to retain custody of Christopher. J.R., who learns of Casey's disloyalty, plans to teach the upstart a lesson while he continues to badger Kimberly to set up a meeting between him and her powerful father.