Sony Pictures has officially released the first trailer for "The Dark Tower," starring Idris Elba as Roland Deschain and Matthew McConaughey as Walter O'Dim aka the Man in Black.

The film, an adaptation of Stephen King's best-selling novel "The Dark Tower," is slated to hit the big screen on August 4th.

Per Youtube,

"The last Gunslinger, Roland Deschain (Idris Elba), has been locked in an eternal battle with Walter O’Dim, also known as the Man in Black (Matthew McConaughey), determined to prevent him from toppling the Dark Tower, which holds the universe together. With the fate of the worlds at stake, good and evil will collide in the ultimate battle as only Roland can defend the Tower from the Man in Black."

Check out "The Dark Tower" official trailer below.