Pat Colbert

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. He and Clayton resume working together in the horse cutting business in an effort to forget their troubles. Pam's increasing overprotectiveness of Christopher worries Bobby. Jeremy Wendell pursues his plan to bring ruin to Ewing Oil.

Bobby finally learns the reason behind J.R.'s recent mysterious actions. B.D. Calhoun continues to terrorize J.R. with his dangerous game playing. Bobby and Pam fear that Sue Ellen has resumed her drinking when she fails to return home one evening but J.R. has good reason to believe that may not be the reason for her absence. A worried Ray travels to Washington D.C. to be with Donna while she is in the hospital and gets a surprise when Senator Dowling pays her a visit.

Threatened by B.D. Calhoun's menacing presence, J.R. takes the necessary steps to rid himself of the mercenary. Pam's suspicious investigation into some of Cliff's business deals prompts him to reconsider Jeremy Wendell's proposition while April Stevens eyes a fortuitous opportunity when she "accidentally" runs into Wendell. Jenna attempts to sever more ties with Bobby while her pregnancy continues to put a strain on Bobby and Pam's marriage.

An angry Clayton goes on a manhunt and Miss Ellie seeks the aid of her sons in calming her furious husband. J.R., confident that the Middle East situation is at rest, learns some frightening news concerning B.D. Calhoun. Donna returns to Dallas with a decision about her marriage to Ray. Jeremy Wendell approaches Cliff with a devious business proposition.

Computer genius R.P. Darwood, working for a large petroleum company, discovers that millions of dollars are being used to finance an illegal intelligence network within the company. Burglary, bribery and murder are all part of the company’s security arrangement masterminded by Head of Security, Frank Dial who has Darwood framed on a manslaughter charge in order to force him to cover up the misappropriated funds. Darwood is out on bail and Terri, wanting to make sure he doesn’t skip out, hires detective team, Brewster “Rooster” Steele and Sweets McBride (two old friends of Colt’s) when Colt can’t take the case.