John Ross and Pamela make a shocking discovery; Bobby is compelled to reveal more of J.R.’s master plan; Christopher heads out in search of his mother; Sue Ellen tries to convince Ken Richards to do the right thing.
With Ewing Energies on the verge of collapse, the Ewings battle back using J.R.’s master plan as guidance; Christopher and John Ross try to turn Pamela against her father; Emma and Drew’s relationship continues to fracture.
An emerging conspiracy is meant to sabotage Ewing Energies and place blame on Christopher for recent events. A subsequent probe into the scheme leads to revelations connected to J.R. and exposes a new foe. Meanwhile, John Ross and Pamela bond; Ryland plots against Drew.
The Ewings divide when it’s suspected that Christopher’s technology caused a disaster. Elsewhere, Sue Ellen enlists an old friend for help as Bobby strives to keep the family together; Pamela’s mother returns to Dallas; and Emma draws closer to Drew, who in turn faces a dark secret.
Work is done on J.R.’s masterpiece as the late oil baron’s will impacts the family legacy. Elsewhere, Pamela shows her allegiance to John Ross; Christopher’s machinations test his relationship with Elena; and Drew betrays the Ewings.