After a twenty-year absence, Blake receives a visit from Jason Colby. Jason proposes the two tycoons build a joint pipeline. Although reluctant to do business with Colby because of his past shady dealings, Blake needs Jason's tankers to move his oil out of China. Jason confides to his sister Constance that he is dying. Jeff is surprised to hear from his aunt Constance, who insists it is urgent he come to California. Psychic Justin Dehner helps in the search for Fallon, who remains in California with Miles. Dex is furious with Alexis's growing obsession with Galen. Michael shuts Amanda out of his life. Gordon Barrett, assistant undersecretary of state, questions Blake about the revolution in Moldavia. In New York, Joel and Sammy Jo convince Rita to undergo plastic surgery to complete her transformation into Krystle's double.

Jason imposes a one-week deadline for Blake to decide on the pipeline proposition. Claudia heads to San Francisco to think about her relationship with Adam. Alexis turns to both Blake and Jason for help in rescuing King Galen. While riding with Miles, Fallon is surprised to learn she is an excellent horsewoman. Under the guise of a business trip, Adam tracks down Claudia for a romantic reunion in San Francisco. In Los Angeles, Constance Colby stuns Jeff--and enrages Jason--by awarding her nephew 50% of Colby Enterprises, worth over $500 million. When Krystle makes a surprise visit to Sammy Jo's apartment, Rita, who now appears to be Krystle's double following plastic surgery, hides in the bedroom. Jonathan Lake of the State Department tells Dominique they've met before--when she saved his life in Paris.

Alexis learns that Galen is alive and can be rescued if $10 million is smuggled into the Moldavian underground. Tired of competing with the king's ghost, Dex promises to help Alexis complete the mission. Joel and Sammy Jo plan to chloroform Krystle at the Charity Ball and have Rita take her place. Sammy Jo has Krystle's dressmaker duplicate the gown she'll wear that evening. Jeff, now Jason Colby's partner, plans to move to California, where he believes he'll find Fallon. Michael continues to shut Amanda out of his life. In San Francisco, Adam and Claudia are married. Krystle walks in on Rita as she's practicing her imitation. Joel knocks Krystle unconscious and announces that Rita is now the new Mrs. Blake Carrington.

Krystle regains consciousness and finds herself locked in the attic at Delta Rho Farms while Rita is impersonating her at the mansion. Dex is caught and tortured in Moldavia. A furious Blake learns Adam lied to him by canceling a business trip to marry Claudia. Blakecuts Adam out of his will. Claudia is upset to find Michael has been appointed chairman of La Mirage. The Colby family attends Blake's party to announce the formation of the Carrington-Colby pipeline. Blake, however, continues to question Jason's integrity. One-time lovers Dominique and Garrett Boydston, Jason's chief counsel, are reunited. From his bedroom window, Jeff spots Miles Colby arriving with Fallon.

Krystle regains consciousness and finds herself locked in the attic at Delta Rho Farms while Rita is impersonating her at the mansion. Dex is caught and tortured in Moldavia. A furious Blake learns Adam lied to him by canceling a business trip to marry Claudia. Blakecuts Adam out of his will. Claudia is upset to find Michael has been appointed chairman of La Mirage. The Colby family attends Blake's party to announce the formation of the Carrington-Colby pipeline. Blake, however, continues to question Jason's integrity. One-time lovers Dominique and Garrett Boydston, Jason's chief counsel, are reunited. From his bedroom window, Jeff spots Miles Colby arriving with Fallon.