Karen must choose between a risky operation and total paralysis and death. Sumner and St. Claire meet.

Abby learns Val's children could be heirs to the Ewing fortune. Gary's tries to reunite the MacKenzies.

Mack is served with divorce papers. Joshua and Cathy consummate their relationship.

Galveston wants Sumner to take over his empire. The detective finds Val. Karen is admitted to the hospital.