Finally reaching the Lonely Mountain, Thorin and the Dwarves, aided by Bilbo the Hobbit, have managed to reclaim their kingdom and their treasure. They have also awakened the dragon Smaug, who is now unleashing his wrath on the inhabitants of Lake-town. Now, Dwarves, Elves, Humans, but also Wrags and Orcs led by the Necromancer, covet the riches of the Lonely Mountain.