J.R. is delighted to gain control of Ewing Oil, and he wants Sue Ellen back. Jenna pays Jack a surprise visit to clear the air. J.R. has big plans for the future of Ewing Oil. Donna and Ray come to a decision on adoption. Harry McSween reports to J.R. on Jerry Kenderson. Sue Ellen almost has a fight with Jerry over her staying at Southfork. Miss Ellie worries about the family's future. Nicholas testifies against Angelica. Miss Ellie asks Jenna to reconsider her decision to leave Southfork. J.R. says farewell to Mandy. Pam's sale of Christopher's shares of Ewing Oil to J.R. becomes final. Mandy decides to leave Dallas. Mark proposes to Pam. Donna and Ray begin adoption proceedings. Angelica takes care of the "Nicholas problem" and vows revenge on Jack and J.R.

Mark warns J.R. to stay away away from him and Pam. Ray and Donna learn the reason Tony doesn't want to be adopted and ask him to reconsider. Matt wants to surprise Pam with the emerald strike. Jack wants to sell his 10 percent of Ewing Oil back to J.R. Sue Ellen confronts J.R. about his investigation of Dr. Jerry Kenderson. Police detain Angelica. J.R. is slightly disappointed with Harry McSween's working style. Jamie wants to strike a deal with J.R. concerning the Ewings and the Barnes. Cliff gives Mandy another lecture on J.R. Marilee confronts J.R. about the Marinos deal. Donna and Ray bring Tony to dinner at Southfork. Angelica is released by police and heads for Dallas. An earthquake destroys Los Gatos and Pam fears for Matt's life. Sue Ellen turns Jerry's advances down. Mandy changes her mind about leaving Dallas.