After everyone's favorite St. Bernard gets fired from a movie, Beethoven begins the long journey home with his trainer, Eddie. On their way, they become stranded in a small coastal town where the beloved canine befriends a young boy who is searching for buried treasure.
Recruited to join a top-secret mission for the Air Force, a renegade pilot finds himself coping with an incompetent admiral and a carefully selected squadron of flyers who are either inept or half-blind.
The 21st successor to the role of Bengalla's resident superhero must travel to New York to prevent a rich madman from obtaining three magic skulls that would give him the secret to ultimate power.