The short film begins with a definition of the concept of "freedom." Set in Greece in 2020, it shows what our lives will be like with the citizen card. This card will contain all our identity details, even the most seemingly insignificant ones, such as our location at any given moment, and of course everything will be recorded by the state.
Bill Marks is a Federal Air Marshall for whom every day is the same until this one. On this plane ride, he starts receiving text messages from someone claiming to be on the flight and threatening to kill passengers.
Forced to face the cruel side of life, a devastated, bankrupt merchant chances upon the enchanted castle of a hideous creature, the mere sight of it chills the bone to the marrow.
An orphaned boy raised by underground creatures called Boxtrolls comes up from the sewers and out of his box to save his family and the town from the evil exterminator, Archibald Snatcher.
When Matthew explores the 'spiral' in his grandmother's garden (a strange structure built by his late grandfather) he discovers an entrance into the magical world of 'the Shadows' where he meets his new Shadow friends, Yorrick and Alice, and begins his great adventure.
Based on the real life story of legendary cryptanalyst Alan Turing, the film portrays the nail-biting race against time by Turing and his brilliant team of code-breakers at Britain's top-secret Government Code and Cypher School at Bletchley Park, during the darkest days of World War II.