J.R. plots to frame Peter and teach Sue Ellen a lesson. Afton hates Vaughn Leland. J.R. wants a ""double wedding ceremony""--Clayton marring Ellie, and Bobby marring Jenna. Katherine learns of Mark's medical problem. Peter turns Lucy down on a modeling assignment in the caribbeans. J.R. is nice to Peter to make him feel welcome. Peter teaches astronomy to little John Ross. Cliff borrows $227 million despite his comptroller's doubts about the loan contract. Bobby admits to Jenna Wade that he can be inflexible anmd self-centered. Bobby tells Jenna Pam's got a hold on him. Pam decides to marry Mark. J.R. and Vaughn Leland put on a act in front of a completely unsuspecting Cliff to make him sign the loan papaers. J.R. promises Katherine Wentworth to give her the ""blackmail tape"" as soon as Pam and Mark get married. Bobby is absolutely stunned and devastated to learn of Pam's decision to marry Mark. Jessica Montford[Alexis Smith] arrives from London and surprise J.R. with a special gift. Cli
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