Conversation so far:
who shot jr in the 1980 dallas cliffhanger
Kristin Shepard shot Jr in the 1980 Dallas cliffhanger.
what was the motive of Kristin Shepard shooting JR
Kristin was J.R.'s scheming sister-in-law and mistress, who shot him in a fit of anger.

Question: What happened after
Self-contained rewrite: what happened after Kristin Shepard shot JR