With the clock ticking in the wake of Cliff (recurring guest star KEN KERCHEVAL) and Ryland putting Ewing Energies on the verge of collapse, the Ewings battle back with J.R.'s masterpiece to guide them. Christopher and John Ross attempt to bring Pamela into the fold by turning her against her father, at the risk of alienating her completely. Meanwhile, Bobby is on the brink of exposing Ryland's crimes as Emma and Drew's relationship continues to fracture, and Christopher closes in on finding his mother.