Dynasty - Season 6 - Eps 30: The Triple-Cross
Secure that his South China Sea leases will cover him, Blake purchases increasing amounts of Colbyco stock. Taking advantage of his precarious situation, Alexis falsifies Blake's oil production figures. Blake is faced with financial ruin when Chinese Oil Minister Han accuses him of cheating and intimates that the leases may no longer be extended to him. Dex reveals Ben's suspicious past to Alexis. Disregarding the warning, Alexis, along with Blake, falls prey to Ben's treachery. Using the court scandal and ""Sister Dearest"" to blacken the reputations of the Denver-Carrington and Colbyco powers, Ben gains sole control of the South China Sea leases. Steven attempts to investigate Adam's guarded files, but the records are destroyed before he can uncover the secret he knows his brother is hiding. Dominique makes wedding plans. Passionate feelings grow when Sammy Jo and Clay spend a candlelit evening together.
About Dynasty

Title: Dynasty
First Air Date: 1981-01-12
Last Air Date: 1989-05-10
Status: Ended
Rating: 6.504/10 (from 117 votes)
Language: EN
Seasons: 10
Total Episodes: 220
Network: ABC
Genres: Soap, Drama
Production Companies: Aaron Spelling Productions
Synopsis
The saga of a wealthy Denver family in the oil business: Blake Carrington, the patriarch; Krystle, his former secretary and wife; his children: Adam, lost in childhood after a kidnapping; Fallon, pampered and spoiled; Steven, openly gay; and Amanda, hidden from him by his ex-wife, the conniving Alexis. Most of the show features the conflict between 2 large corporations, Blake's Denver Carrington and Alexis' ColbyCo.
Cast

John Forsythe
Blake Carrington

Linda Evans
Krystle Carrington

Joan Collins
Alexis Carrington Colby

John James
Jeff Colby

Gordon Thomson
Adam Carrington

Michael Nader
Dex Dexter

Heather Locklear
Sammy Jo Dean Carrington

Emma Samms
Fallon Carrington Colby

Stephanie Beacham
Sable Colby