Rebecca reveals a life-changing secret to Elena. Still riling from his interaction with Bobby, Ann’s ex-husband demands an apology. Meanwhile, John Ross is under pressure from his allies and tries to turn one family member against another. And a family associate is murdered, leaving everyone to wonder about the culprit.

John Ross learns the value of family when he must choose between blood and oil. Sue Ellen and Rebecca both find themselves victims of men who could destroy their lives. And the Ewing’s must once again rally around one another when a medical crisis strikes.

"Legacies" is the fifteenth episode and season finale in the second season of the television series Dallas. It will air along with the final episode in the season, Guilt by Association, functioning as a two-hour finale. It will finally answer the question that was uttered in The Furious and the Fast, Who Shot J.R.?