The final season of the primetime soap begins as Alexis is comforted by Dex's solace and friendship and the two renew their passionate love for each other. Fallon slips out of Jeff's room after Sammy Jo shows up unexpectedly to accept his marriage offer. Blake is devastated by his fear that Krystle's disappearance at the end of season 8 may by a severe mental disorder. Krystle has a serious brain tumor and has a risky surgery in Switzerland.
Matthew Blaisdel threatens to kill Blake to insure Krystle's cooperation. Alexis is saved from certain death by a mysterious stranger, Sean Rowan. Dana and Adam fly off on their honeymoon. Alexis marries Sean, unaware that he is Joseph's son.
Alexis' life is spared as Krystle is able to restrain Blake's lethal temper, Amanda is rescued by Blake's chauffeur, Michael Culhane. After Blake recovers his wealth, he loses his memory following an oil rig explosion. While everyone thinks he is dead, Alexis makes him believe they are still married.
Those who survived are separated and held at the palace as the terrorists assume power before Blake finally secures the family's release and return from Moldavia. When the family gets home, a lookalike woman named Rita poses as Krystle.
Krystle and Alexis are trapped in a burning cabin when Mark rescues them but becomes the one accused of arson and attempted murder. Later, Fallon and Jeff uncover evidence suggesting that Adam poisoned Jeff. Blake offers Krystle a public relations job before they get remarried.
Picking up where season two ended, with Krystle finding Blake in the mountains and helping him get to a hospital. While Little Blake is eventually found, a man named Adam finds out that he was also kidnapped as a child. Krystle's past comes back to haunt her as well when Alexis meets her first husband, Mark.
The second season begins right where the first left off, with Blake's first wife Alexis taking the stand and testifying against him. Alexis stirs things up even more after she decides to move onto the Carrington estate. Steven marries Sammy Jo, Blake is blinded following an explosion and Claudia is hospitalized after getting shot.
The first season begins with oil tycoon Blake Carrington marrying his former secretary, Krystle. Krystle's former lover, Matthew, returns to town and causes more problems when he tells Krystle that he's still in love with her. Blake's daughter Fallon does not support his marriage, and chooses to marry childhood friend Jeff Colby just for her father's benefit. Blake's estranged son, Steven, also returns and causes problems when his ex-lover, a man named Ted, comes to town as well.