Somebody founds a body of 40-year old woman in the park in Moscow. Police closes the case thinking that she died by natural causes. But her husband Sotnikov, who is a financial analytic and mathematic is sure that she was murdered. Having no legal or medical skills, he starts his own investigation and finds the proof of the murder but also he finds out that his wife had an affair.
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.
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.