The film serves as the opening chapter of a brand-new trilogy that expands the world first seen in 28 Days Later (2002) and 28 Weeks Later (2007). A New Era of Survival: The Plot

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: This sequence appears to reference a movie title and possibly a version or episode number. "28 Years Later" is a significant clue here. It's a movie that was announced as a sequel to the 2002 film "28 Days Later," which was directed by Danny Boyle and introduced the fast-moving "rage virus" zombies to the world.

In a unique stylistic choice, much of the film was shot using augmented iPhone cameras , giving it a gritty, "Facebook photo" aesthetic that enhances the realism of the post-apocalypse. The Return of Cillian Murphy

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