Set in a post-apocalyptic world, "Priest" is based on the 2007 graphic novel of the same name by Hyung Min-woo. The story takes place in a future where vampires and humans coexist in a world where the boundaries between good and evil are blurred. The film follows the journey of two priests, Christopher (played by Paul Bettany) and Thomas (played by Tom Wisdom), who are on a mission to rescue a young girl named Lucy (played by Maggie Gyllenhaal) from the clutches of the evil vampires.

For Tamil-speaking audiences, watching Hollywood blockbusters in their native language adds a layer of accessibility and local flavour. The version often highlights the film's intense dialogue and high-octane action with localized voice acting that resonates with regional viewers.