Joaquin comes back to Granada in the eighties trying to find out about something happened when he was a child and the Spanish Civil War was going on. He helped an unknown man who survived after being executed. He finds the man, Galapago, who is now quite old, poor and with almost no memory. Joaquin takes care of him and finds hints that point to Galapago as Federico García Lorca.
In an alternate turn of the 20th century, an attack on the Bank of England by men who appear to be German soldiers followed by an attack on a German Zeppelin factory by the same men this time dressed as British soldiers, leads Europe to the brink of war.
With high school a distant memory, Jim and Michelle are getting married -- and in a hurry, since Jim's grandmother is sick and wants to see him walk down the aisle -- prompting Stifler to throw the ultimate bachelor party.
Michael Jennings is a genius who's hired -- and paid handsomely -- by high-tech firms to work on highly sensitive projects, after which his short-term memory is erased so he's incapable of breaching security.
Fired from his band and hard up for cash, guitarist and vocalist Dewey Finn finagles his way into a job as a fourth-grade substitute teacher at a private school, where he secretly begins teaching his students the finer points of rock 'n' roll.