Lady Stoneheart appearance in HBO's "Game of Thrones" season five is still unknown, but Catelyn Stark's daughter's potential storyline could make up for the possible absence.

[Warning: this article contains show and book spoilers]

At the end of season four, Arya Stark boarded a ship using a Braavosi coin she was gifted by the assassin Jaqen H'ghar earlier in the series. The ship is heading to Braavos, where Ayra will learn the ways of the Faceless Men, if the show follows the novels.

Arya eventually finds her way to the House of Black and White where she finds the assassins' guild. There she will train in the ways of the Faceless Men, which requires her to leave her identity behind. It won't be an easy journey for Arya as she will have trouble letting go of her memories and continuously dream of her direwolf Nymeria.

As for Lady Stoneheart, Michelle Fairley explained to Entertainment Weekly she is no longer associated with the show. The actress claimed her character is dead and will remain dead.

"You respect the writers' decision," Fairley told EW.  "I knew the arc, and that was it. They can't stick to the books 100 percent. It's impossible-they only have 10 hours per season. They have got to keep it dramatic and exciting, and extraneous stuff along the way gets lost in order to maintain the quality of brilliant show."

Show director Alex Graves also spoke about Fairley's reappearance in the show in a separate EW interview. The director isn't convinced a Lady Stoneheart appearance is best for the show, which already has densely packed plot ines.

"But to bring back Michelle Fairley, one of the greatest actresses around, to be a zombie for a little while - and just kill people? It is really sort of, what are we doing with that," Graves said. "How does it play into the whole story in a way that we're really going to like? It just didn't end up being a part of what was going to happen this season."