Please answer the following question: Build a movie plot around this: What is the new secret weapon which Germans have? a magnetic sea mine
Answer:
In the spring of 1939 in England, Oxford University Professor Richard Myles (Fred MacMurray) and his new bride Frances (Joan Crawford) decide to honeymoon on the continent. Because they are American tourists and therefore "above suspicion," they find themselves commissioned by the British secret service to find an apparently missing scientist who has developed a countermeasure against a new Nazi secret weapon, a magnetic sea mine.[3] Without knowing his name, what he looks like, or where to find him, the couple look upon the search as adventurous and cross Europe seeking clues from clandestine contacts.In Paris, Frances is given a hat decorated with a rose as a signal for their first contact, who silently instructs them to go to a cafe in Montmartre, where an unseen contact plants a tourist guidebook to southern Germany in Richard's coat. The couple notice a series of ink dots on a map in the book that linked together form a musical staff with the opening notes to the song "My Love Is Like a Red, Red Rose," which they deduce is their password. Three pinpricks in the same map direct them to the book's seller, A. Werner (Felix Bressart), in Salzburg. Werner informs them they must go to a certain museum where a man named Count Hassert Seidel (Conrad Veidt), calling himself a "guide," suggests that they check into a guest house run by Frau Kleist (Johanna Hofer). She provides them with a book on Franz Liszt with annotations that reveal their next stop should be the village of Pertisau in the Tyrol, where they should inquire about a doctor who collects chess pieces.Some days later, the couple intends to go to a performance of Liszt but are advised against it by Thornley (Bruce Lester), a fellow houseguest and recent graduate of Oxford. They go anyway; and, during the same loud passage that Thornley had been practicing earlier in the night, a Nazi Colonel, the Commandant of Dachau concentration camp, is shot and killed. Officials insist on questioning the entire audience, but Richard and Frances are rescued by...