J.R. and Bobby start the contest to try and gain control of Ewing Oil. A plot to gain revenge sees Rebecca buying an oil company.

Cliff takes over Barnes-Wentworth leaving Pam feeling more torn than ever between the Barnes and Ewing families. J.R. goes to great lengths to gain a drilling variance. Lucy goes ahead with her divorce. Ray is not happy with Mickey's behavior.

Bobby attempts to blackmail Hicks into stopping J.R. J.R. is concerned that Clayton will undermine his standing with Miss Ellie. Mickey and Lucy start to grow closer.

After Pam leaves Southfork it gives J.R. an opportunity to alienate her more from Bobby. Rebecca's will is read following her death. Lucy and Mickey continue to grow closer. J.R. makes a deal in the Caribbean. Clayton admits that he's dating Miss Ellie.

Katherine plots to make sure that Bobby sees Pam with Mark Graison. Holly isn't happy about J.R.'s Caribbean oil dealings. Clayton sells the Southern Cross and moves closer to Miss Ellie.

J.R. attempts to gain permission to travel to Cuba. Holly wants to hurt J.R. and Sue Ellen's marriage. Lucy starts to model again. Weather ends up threatening to hurt Bobby's Canadian venture. Ray offers his assistance in the fight for Ewing Oil.