Oscar Diggs, a small-time circus illusionist and con-artist, is whisked from Kansas to the Land of Oz where the inhabitants assume he's the great wizard of prophecy, there to save Oz from the clutches of evil.
A pair of whacked-out cartoon-like exterminator/hitmen kill the owner of a burglar-alarm company, and stalk the partner who hired them, his wife, and a nerd framed for the murder, who tells the story in flashback from the electric chair.