Fallon expects to become the new COO of her father Blake's energy empire, but that job is given to Cristal, her future stepmother; Fallon seeks revenge by sidling up to a rival; When Cristal's nephew arrives, her secret past threatens her future.
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.
Blake's hopes for a perfect Thanksgiving vanish when he clashes with both Fallon and Steven; Cristal's houseguest reminds the Carringtons to be grateful for the ties that bind.
The Carringtons struggle with ghosts from their past; Fallon tries to move on from her former flame; Steven and Jeff band together to right an old wrong; Cristal's past threatens her future with Blake.
The Carringtons' plan for a peaceful holiday is spoiled by two new arrivals; Blake faces a power struggle with his own father; Fallon attempts to reunite the Colbys.
Cristal's efforts to mend her fractured marriage are complicated by a dangerous newcomer; Fallon celebrates her golden birthday and gains control of her trust.
Fallon is taken hostage; the rest of the family must come together to rescue her; Culhane turns to Jeff Colby for help; Cristal is forced to choose between her old family and her new one.
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; Fallon attempts to fix a professional blunder by accepting an indecent proposal.
After Fallon's declaration of professional and romantic independence, Jeff tries to reel her back in; Cristal struggles with Blake's unorthodox moral compass and finds herself in a gray area of her own.
Suspicious that the Colbys may be up to no good, Fallon plays a dangerous game of charades; Steven tries to help Sammy Jo; Cristal must cover-up an impulsive mistake that threatens to implode her marriage.
Fallon discovers that Jeff Colby's motives to marry her are not for love but for revenge; she is forced to continue with her engagement; Sam works to earn his citizenship and Steven's love; Cristal struggles with being a wife and a stepmother.
Blake's temper pushes Cristal to make a bold decision regarding their marriage; Fallon's feud with Jeff goes public, forcing her to rely on her faux-husband, Liam, for support; Steven processes his grandfather's sordid past.
The arrival of Alexis throws the entire Carrington family into disarray; after Alexis receives a fortune from Grandpa's will, Fallon sets out to prove her mother tricked her way into it; Cristal tries to keep Alexis away from Blake.
When Fallon and Alexis fight for Steven's love, his relationship with Sam is affected; Cristal turns her attention to Culhane's family and stumbles upon a terrible secret.
Alexis, who's grown highly suspect of Fallon's new husband, meddles in her love life; Blake and Cristal spar over taking responsibility for the health crisis that is hurting Culhane's family.
Alexis enlists a surprising ally in her battle with Blake; with her loyalties torn, Fallon must decide between helping the company or coming to the aid of Culhane's family.
Blake thwarts Fallon's attempts to take the company in a new direction; Fallon realizes the biggest threat is actually Blake himself.
Alexis loses control of her plan with the Colbys; Fallon challenges Blake for control of the company only to learn she's not the only one with a claim to the throne; Sammy Jo and Steven prepare to tie the knot; an unexpected guest causes havoc.