The trailer of the William Oldroyd directorial, Eileen was released on Tuesday. The film stars Thomasin McKenzie and Anne Hathaway in lead roles. A psychological thriller, Eileen is based on the 2015 novel of the same name by Ottessa Moshfegh

The film follows the titular Eileen, who works as the secretary at a prison in 1960s New England. The film's logline, "Eileen becomes enchanted by the glamorous new counsellor Rebecca (Hathaway). Their budding friendship takes a twisted turn when Rebecca reveals a dark secret—throwing Eileen onto a sinister path."

The film also stars Shea Whigham, Owen Teague, Jefferson White, and Marin Ireland. The screenplay is written by the book's author Moshfegh, along with her husband Luke Goebel. Eileen, which earlier premiered at the 2023 Sundance Film Festival, is all set to hit theatres on December 1.