Liam first appears in the 2018 episode "Our Turn Now", in which he meets and agrees to marry Atlanta energy heiress Fallon Carrington (Elizabeth Gillies) to thwart the plans of tech billionaire Jeff Colby (Sam Adegoke) to ruin her.

[5] Buczak was disappointed with Liam's "timid reaction" upon learning in "New Lady in Town" that Fallon's treacherous brother Adam Carrington (Sam Underwood) slept with his mother, and wrote "I was hoping to see Liam throw a few much-deserved punches".

[8]Though the show had hinted that Liam could actually be Fallon's long-lost brother Adam,[9][10] Delia Harrington of Den of Geek called the reveal of Liam's backstory as the disgruntled heir of another wealthy family "a bit of a letdown after all the hinting", and "all too straightforward.

"[9] Georgia Makitalo of Hidden Remote called Liam's admission in "Dead Scratch" that he is in love with Fallon a "shocking revelation".

"[12] Samantha Nguyen of MyFantasySportsTalk noted that though the love triangle seemed settled by Fallon and Michael's engagement in "Twenty-Three Skidoo", the series had "made it pretty clear that there's more drama to come".

[2] Huber first appeared in the 2018 episode "Our Turn Now", in which Liam meets and marries Atlanta energy heiress Fallon Carrington to thwart tech billionaire Jeff Colby's plot against her.

[15][16] He said that being put on contract with the show was unexpected, and that he was testing for a role on an upcoming NYPD Blue reboot when the offer was made during filming of season two.

Sam (Rafael de la Fuente) and Liam hit it off, making Fallon's brother Steven (James Mackay) jealous.

Turning the tables on the Colbys, Fallon announces to Jeff that their new marriage is invalid since she met and married Liam the night before at city hall.

Though their annulment is in the works, Liam agrees to attend Fallon's grandfather's funeral with her in "Poor Little Rich Girl".

Fallon agrees to a date with him in "Use or Be Used", but misses it when she learns that her ex-boyfriend Michael's father is in the hospital.

Liam appears at Steven and Sam's wedding in "Dead Scratch", and tells Fallon he is in love with her.

Suspecting Michael (Robert Christopher Riley) is cheating on her, Fallon almost has sex with Liam in "Queen of Cups".

After Fallon breaks things off with Michael because she cannot trust him, she visits Liam, but another woman answers the door.

In "The Sight of You", Fallon takes a girls trip with Monica (Wakeema Hollis), Cristal (Ana Brenda Contreras), and stowaway Kirby (Maddison Brown), but her true motive is to see Liam, who is at the same ski resort in Idaho with his new girlfriend Ashley (Taylor Black).

In "Miserably Ungrateful Men", Fallon buys the publishing company that is releasing Liam's novel, intending to scrap the book but trying to manipulate him into pulling out of the deal on his own.

In "Life is a Masquerade Party", Fallon arranges for Liam and his ex, Ashley, to spend time together in public to promote his book, but is jealous when they appear to be rekindling their relationship.

While Fallon steps in for Blake to prevent Jeff and Michael from seizing control of the Atlantix in "Thicker Than Money", Liam and Kirby help her snatch a book deal from a competitor.

Liam, hit over the head by Adam, falls face down into the pool in "Deception, Jealousy, and Lies".

In "Shoot from the Hip", Fallon is worried that Liam will forget her again, and he is angry to discover she lied to him to keep him close.

Fallon gives Liam free rein in writing an article about Blake's murder trial for her magazine in "The Sensational Blake Carrington Trial", but when he includes her own less-than-flattering courtroom performance, she trashes her own office and erases the article.

[2] Virginia Mendes of Ecos said that though Liam is a character original to the new series, he has "made such a huge impact in the present audience".