Fallon Carrington (Elizabeth Gillies) is charismatic, cunning, and poised to become the new COO of her father Blake's (Grant Show) global energy empire, or so she thinks. Along with her brother Steven, (James Mackay) Fallon is horrified to learn that they were called home not to announce her promotion, but rather to make the acquaintance of their stepmother to be, Cristal (Nathalie Kelley). When Blake chooses Cristal over his own daughter, Fallon sidles up to Blake’s biggest rival, Jeff Colby (Sam Adegoke), to seek her revenge. Meanwhile, when Cristal's nephew Sammy Jo (Rafael de la Fuente) comes to town, her carefully concealed history could bring her future crashing down and who knows who else she might take down with her. Alan Dale and Robert Christopher Riley also star.

When it's discovered that Matthew's death may have involved foul play, the spotlight falls on the Carringtons themselves; Cristal struggles with what it means to be a Carrington; Fallon helps cover up Cristal's affair.

The Carringtons don their best costumes for a charity gala; Fallon fights to use the family name in her new business venture; Cristal is forced to choose between her old family and her new one.

The Carringtons' efforts to protect their secrets lead them outside the protective cocoon of the manor; Cristal and Blake go on their belated honeymoon; Steven tries to rescue Sammy Jo; Fallon confronts old demons.

Fallon and Cristal both vie for the cover of a prestigious magazine; Steven's life is upended by an ex-boyfriend's return; Sammy Jo and Anders discover an unlikely connection.

Cristal's houseguest puts Blake in an awkward position; Sammy Jo gets in over his head while baby-sitting; Fallon realizes she has alienated everyone in her personal life.