Top Secret!

Well-liked and dashing American singer Nick Rivers travels to East Germany to carry out in a music pageant. When he loses his coronary heart to the attractive Hillary Flammond, he finds himself caught up in an underground resistance motion. Rivers joins forces with Agent Cedric and Flammond to try the rescue of her father, Dr. Paul, from the Germans, who’ve captured the scientist in hopes of coercing him into constructing a brand new naval mine.