Join the Muppets on an exciting adventure as they embark on a world tour, led by their new manager, Dominic Badguy (Ricky Gervais). But not everything is as it seems. Kermit the Frog has a nagging feeling that this tour might be a bad idea, and hes right! Chaos ensues when Kermits look-alike, the criminal mastermind Constantine, escapes from prison and swaps places with him. Suddenly, Kermit finds himself locked away in a Siberian prison while Constantine takes his place, leaving Dominic and Constantine free to hatch a daring plan to steal Londons crown jewels. Will the Muppets discover the truth in time?