Instantly after the occasions of The Desolation of Smaug, Bilbo and the dwarves attempt to defend Erebor's mountain of treasure from others who declare it: the boys of the ruined Laketown and the elves of Mirkwood. In the meantime a military of Orcs led by Azog the Defiler is marching on Erebor, fueled by the rise of the darkish lord Sauron. Dwarves, elves and males should unite, and the hope for Center-Earth falls into Bilbo's arms.