S06E30: 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.