Peace among the Ewings is threatened when catastrophe strikes and Christopher's technology is believed to be the cause. As Bobby struggles to keep the family together, Sue Ellen reaches out to an old friend for help. Meanwhile, Pamela's mother, Afton Cooper (recurring guest star AUDREY LANDERS – Dallas [original], Burn Notice), returns to Dallas to take care of her daughter. And Emma is put in the middle of her father and grandmother's relationship, pushing her closer to Drew, who is wrestling with a dark secret.
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