Beethoven is back -- and this time, he has a whole brood with him now that he's met his canine match, Missy, and fathered a family. The only problem is that Missy's owner, Regina, wants to sell the puppies and tear the clan apart. It's up to Beethoven and the Newton kids to save the day and keep everyone together.
One day in 1984, Todd Bowden, a brilliant high school boy fascinated by the history of Nazism, stumbles across an old man whose appearance resembles that of Kurt Dussander, a wanted Nazi war criminal. A month later, Todd decides to knock on his door.