Pam's brother, Cliff, is unhappy about her getting married to a Ewing. Cliff ends up with a document Pam was supposed to give to Ewing Oil.

Jock suffers a heart attack and must undergo bypass surgery to survive. Meanwhile, Bobby is sceptical of J.R.'s business ideas.

Pam is thrown for a loop when her ex-husband arrives in Dallas claiming they are still legally married. Upon hearing this, J.R. decides to use it to his advantage.

Guzzler, an old friend of Bobby's arrives in Dallas and the two decide to do business together by opening a shopping mall in Southfork. However, the rest of the Ewings are strongly against their plan.

Bobby attempts to rescue those trapped in the fire at Southfork. Mickey opens his eyes.

JR and Peter find out that Sue Ellen miscarried as a result of the accident. Mark pressures Pam for an answer to his marriage proposal.