Ten years ago, Quincy Carpenter joined her friends in a vacation at Pinewood Cottage.

Years later, Quincy is barely holding herself together, as she finds it hard to trust anyone other than Coop and her boyfriend Jeff.

Her fragile living situation is thrown into an upheaval when she learns that Lisa has killed herself, and Sam arrives at her home.

She makes contact with a sleazy journalist named Jonah Thompson who had requested comment from her previously, giving him Sam's alias in exchange for what information he had on her.

There, she discovers that Tina Stone is actually "Sam's" true name, and that she had been impersonating Samantha Boyd the entire time to get close to Quincy.

Quincy momentarily fools him into believing she loves him before stabbing him to death as he attempts to strangle her, and Tina is revealed to be alive still.

[1][2] Final Girls was released under the penname of Riley Sager,[3] a gender neutral name.

[5] Ritter and his agent chose to do this because "since we were looking for a new publisher, one could argue that editors would be willing to go with someone who had a clean slate, rather than a critically acclaimed author with a spotty sales record.

[9] USA Today reviewed the book, stating that "It’s a page-turner with an intriguing premise, hampered only by bad writing and a general lack of literary merit.

Universal Pictures won the option rights for Final Girls and Nicole Clemens, Ashley Zalta, and Michael Sugar were attached as producers.