Stalking random people throughout the city, Jim records strangers to upload to his website as part of a voyeuristic social experiment. As he performs reconnaissance on his subjects, Jim meets Samantha, who snares him into her dark and mysterious web. It soon becomes clear that Jim and Samantha's past, present and future are all tied together, connected both by murder and the power of the lens.
When the magic powers of The Tablet of Ahkmenrah begin to die out, Larry Daley (Ben Stiller) spans the globe, uniting favorite and new characters while embarking on an epic quest to save the magic before it is gone forever.
Immediately after the events of The Desolation of Smaug, Bilbo and the dwarves try to defend Erebor's mountain of treasure from others who claim it: the men of the ruined Laketown and the elves of Mirkwood.