As the name suggests this is a movie based on the characters and environment in the Lego game. The whole world in the movie is created by using Lego bricks and other components. Vitruvius is the wizard who protecting the Kragle weapon from the Lord Business who is the evil minded lego character. But Vitruvius fails in protecting it and forecasts that “Special” will create a wall of brick that can handle the Kragle and can stop it from attacking. Emmet is a construction worker and he finds that a woman with name Wyldstyle is searching at the same construction site.
He finds a Piece of Resistance and can’t pull himself back from touching it. As soon as he touches he gets a vision that he is captured by Bad cop who is lieutenant to the evil Business. After his capture Emmet comes to know about the evil plans of Business to use Kragle to freeze the entire world.