Miss Ellie's sadness over Gary's birthday is short-lived when she learns the he and Val plan to marry in Dallas.

Amos, Ray Krebbs' father, arrives in Southfork with shocking news. Meanwhile, Bobby must deal with his first crisis at Ewing Oil when a tanker and the 600,000 barrels onboard sink.

Cliff fights with J.R. - Donna is concerned that being on the TEC will cause more family problems. Bobby believes that J.R. is involved in illegal oil sales.

J.R is confronted by Cliff and the Cartel at the annual Ewing barbecue. Miss Ellie decides that she needs to take action against the effects Jock's will is having on the family.

Bobby and Ray attempt to stop J.R.'s deal to ship oil to Cuba. Sue Ellen is concerned that her personal life could ruin J.R.'s chances if he enters politics. Donna believes that greed is motivating Mickey's interest in Lucy. Cliff rebounds from his mother's death.