The third film from Kill List director Ben Wheatley stars Steve Oram and Alice Lowe as a young couple whose idyllic holiday in Yorkshire takes a disturbing turn.
Released by The Guardian, the trailer features a voiceover from Lowe's character as she writes a letter to her mother, overlying footage of their holiday becoming increasingly violent.
Shaun of the Dead and Hot Fuzz helmer Edgar Wright is executive producing Sightseers, which was co-written by Oram and Lowe.
2011 horror drama Kill List picked up several nominations at the British Independent Film Awards including 'Best Director', 'Best Screenplay', 'Best Actor' and 'Best Actress', and Michael Smiley won for 'Best Supporting Actor'.
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Sightseers will be released on November 30.
Watch the trailer for Kill List below: