Sierra Furtado is nicknamed The Heiress. She was invited to the party by Joey Graceffa.
Episode 1 - An Invitation
Sierra is talking to Joey, Lele, Oli, and Andrea before the dinner. Sierra is surprised when Shane gets poisoned. She helps with the wine glasses clue. Sierra doesn't want to read the next clue because it is long. She helps Tim, Andrea, and Justine in the library. She tells Tim the cover of the book has nothing to do with it. She has a hard time walking to the car because of her shoes. She is surprised when the car blows up.
Episode 2 - The Ungodly Machine
Sierra helps find the books for the Glassed Hand. She helps find the fan for the Air clue. She helps find the hand box for the Earth clue. She votes for Andrea to go to the ungodly machine. She is surprised when Justine says Andrea maybe should of died.
Episode 3 - Buried Alive
She goes with Matt and Eva to the Spare Room to retrieve a strip of hair. The hair is in a hidden bathroom shower. She goes with the group to retrieve the key to the coffin. She voted for Justine to go in the coffin.
Episode 4 - Mannequins
Sierra helps find the IDLE Clock. She and Tim go out to a car outside. Sierra finds a note that says Slow Down in the glove compartment. Sierra is scared when they find the mannequin in the trunk. Sierra doesn't know that Joey killed GloZell until Lele says so.
Episode 5 - Freak Show
Sierra thinks it's sketchy that three girls have died. Tim is hitting on her, she says he's creepy. Sierra is scared of the guardian. Eva and Sierra are the first with the mask. She doesn't find anything and gives the mask to Lele. Sierra is in the crowd at the circus.
Episode 6 - Did Someone Call For An Exorcist?
Sierra is chosen to do the artifact ritual, which doesn't work because the house is gaming its strength from its previous owners, which they have to free. They find a priest in the basement. Sierra helps get the holy water for the exorcism. Sierra is voted into the exorcism. She is surprised, and scared. She goes down stairs, and finds out she has to repeat a prayer while Matt does other stuff to help. If she lets go, she will die. Sierra says her prayer while holding the girl down. Matt gets finished and places the rosary on her, she dies. He finds out he could've killed her or himself.