Discord haunts the head of the Ewing clan as Jock threatens to sell the company business if Miss Ellie divorces him. Jock and Ellie become even more estranged when they learn Bobby is on the senate committee investigating the Takapa development project. J.R. manipulates Jock into declaring he'd sell Ewing Oil if he and Ellie are divorced. Lucy's Young Miss Dallas career is actively driving a wedge into her marriage to Mitch. Cliff gets wind of J.R.'s involvement in the Asian Oil scam while Pam warns her mother about Cliff's motives. Clint urges Sue Ellen to divorce J.R.