In his will, Bobby leaves 30% of Ewing Oil to Christopher, meaning Pam will be in control of those shares until the boy turns 18. Sue Ellen stumbles drunkenly in the city among the hobos and bag ladies.
J.R. faces losing control of Ewing Oil when his mother and Pam decide to sell to Wendell. Miss Ellie is not happy when Sue Ellen's trouble making mother arrives at Southfork determined to straighten out her daughter's life.
The disappearance of Jack Ewing puts J.R. in an embarrassing position and the threat of the impending deal with Marinos could crumble. J.R. promises an angry Angelica he will find out why Jack did not show up for their luncheon meeting.
Matt Cantrell comes to town looking for Bobby unaware that his boyhood chum and business partner has been killed. Pam meets Cantrell when he barges into her office looking for Bobby and is stunned at the news of Bobby's death.
The efforts to locate Jack Ewing intensify as Jamie lies unconscious and with J.R. having his own reasons for joining in the search. The urgency of finding a compatible blood donor for Jamie sends all the Ewings on the search for her brother.
J.R.'s scheming to involve Pam in Matt's mining operation sends Pam to South America and also entices Cliff to invest in the venture. Sue Ellen's ingenuity earns J.R.'s begrudging respect while she enjoys the company of Dr. Kenderson.
In Colombia Cliff and Mark, who blame themselves for Pam's misfortune, reluctantly agree to let Matt deliver the ransom note alone as instructed by the kidnappers and in Dallas Jenna's fixation causes growing concerns.
J.R. becomes increasingly jealous of Jerry Kenderson's attentions to Sue Ellen, Jenna continues to be undecided about psychiatric visits, and in Colombia, a thoroughly disenchanted Cliff ponders Pam's offer to buy back his interest in the emerald mine.
J.R. finds renewed happiness with Sue Ellen in spite of his oil empire tottering, Mandy pursuing him, and a dangerous enemy lurking in wait. Financially strapped, J.R. has to pass on a lucrative opportunity to buy out a competitor.