Pamela tells Christopher that she wishes she and Bobby were together, but in reality she seems to be getting closer to Mark Graison. Cliff Barnes keeps pressuring Sly Lovegren for more information on J.R.'s deals. J.R. hires a wiretab expert to check for bugs at Ewing Oil offices. Jenna cautiously visits Sothfork at Bobby's invitation. Ray and Donna wonder whether Jenna acts to spite Pam. Pam tells Katherine she's not over Bobby yet. Sly gets nervous when Detective McSween comes to see J.R. Bobby gets depressed after learning Pam and Mark are lovers. J.R. tricks Cliff and installs a bug in his office telephone. Sue Ellen tells Peter Richards she's got to break off the relationship. When J.R. learns that Cliff's been using Sly as a spy against him, he decides to use her to transmit false information back to Cliff. Ray and Donna observe Bobby and Jenna growing closer.