A corpse is washed up on the beach of the North Sea. The deceased is Alexander, husband of the beautiful Bettina. They have been coming to the island for a long time and possess a cottage there. At first no one doubts that Alexander died of an accident, but the young policewoman Maike, who has known the family since her childhood, thinks that Alexander should have been familiar with the mudflat. Did he kill himself?
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.
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.