"I did not kill my wife ... I am not a murderer."

Ben Affleck stars as Nick Dunne in the highly-anticipated film adaptation of Gillian Flynn's novel "Gone Girl" -- and the just-released trailer for the flick hits all the right notes.

Affleck is a man on the hunt for his wife (played by Rosamund Pike), who mysteriously goes missing. The public starts turning on Nick as the search continues -- and we, the audience, are left to decipher who is telling the truth. 

Director David Fincher ("The Social Network," "The Girl with the Dragon Tattoo") brings his unique aesthetic to the movie, giving the film a creepy, dark and beautiful look we can't wait to see more of.

And fans of the book can rest easy, even you don't know where this twisted tale is heading when it hits the big screen. Writer Gillian Flynn reportedly penned a new ending for the movie, so everyone will be on the edge of their seats on October 3. 

Who else is counting down the days?!

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