The Parmalee mystery is resolved and things get back to normal at Ewing Oil but not between Clayton and Miss Ellie. Clayton goes on a manhunt to find Parmalee. April intends to prove fraudulent intent in Jack's sale of 10 percent of Ewing Oil. J.R. learns frightening news about B.D. Calhoun. Donna comes to a decision about her marriage. Wendell vows to put the Ewings out of business and asks Cliff to use Pam to achieve it. Jenna and Donna discuss Ray. Christopher and John Ross don't get along. B.D.Calhoun threatens J.R.