Hoping to put Liam in the rear-view, Fallon fights to prove to Culhane's family, and to herself, that Culhane is her one and only. Blake and Cristal struggle to keep their courtship alive as a paranoid Alexis derails their holiday plans.

Fallon recruits her mother's help with wedding planning, only to realize that Alexis may have ulterior motives. Desperately missing Steven, Sam develops a complicated relationship with a member of the Carrington staff. Culhane discovers his dark side as he ventures into a new business partnership.