Mayor Kligore announces his plan to build the world's largest snowman in Sleepy Hollow. Media coverage will be epic for a perfect snow and ice replica of the Headless Horseman statue. Town revenue will skyrocket. What could go wrong? When the massive snow sculpture springs to life and begins an evil rampage through town, it's Kligore who needs Harry Moon. It's a battle, Harry vs. Sleepy Hollow's newest villain, Lazarus Lincoln. Harry must win or Sleepy Hollow will be destroyed.