When the Carringtons host a lavish Casino Night party, Cristal and Blake's marriage is put to the test when an explosive secret from Blake's past surfaces. Meanwhile, Fallon must reconsider her behavior as she attempts to fix a professional blunder by accepting an indecent proposal.

Suspicious that the Colbys may be up to no good, Fallon plays a dangerous game of charades; meanwhile, Steven finds himself unexpectedly channeling his darker side when he tries to help Sammy Jo, and Cristal must cover-up an impulsive mistake that threatens to implode her marriage.