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.