When Geoff, an orphaned stable boy (Chris Masterson), discovers Drake (voice of Robby Benson), the world's last living dragon, he realizes that his dream of becoming a knight in shining armor can now come true. Together, they soon face challenges that turn them into heroes. But caught up in the excitement of their new lives, Geoff and Drake fail to see the hidden dangers that surround them.

The Newton family from the first two Beethoven movies are on vacation in Europe, but do plan to join a Newton family reunion, and to make sure one of their family members definitely makes it, they ship him to travel to the reunion with George Newton's brother Richard. Guess which family member it was? That's right, Beethoven! The giant dog follows Richard Newton and his family of a nagging wife and two bratty kids, as they hit the road to California in a huge, shiny, and expensive RV, equipped with a DVD player. Following them, are two bumbling crooks who have hidden some secret codes on a DVD that they figure no one in the world will buy, but someone does: Richard. So now they have a DVD holding top secret information, and the crooks must get it back.

Third Tremors movie takes us back to the small Nevada town of Perfection where local resident and adventurer Burt Grummer returns after traveling abroad and killing carnivorous worms called "Graboids" (introduced in the first movie) and their offspring "Shriekers" (introduced in the second movie) to life in his home town and must deal with some crooked land developers, a thrill-seeking guy named Jack Sawyer looking for wealth in this potential tourist town, and eventually dealing with a new strain of Graboid worms that meta-morph into their second Shrieker phase, and whom unexpectedly morph into their third stage for another harrowing battle against Burt and Jack in the desert surrounding the town.

The family is pleasantly surprised and puzzled when Beethoven suddenly becomes obedient. Turns out it's a prince and the pauper scenario, with the real Beethoven now living with a pompous rich family.husband wife relationshipbrother sister relationshipgirl dog relationshiphuman dog relationshipmaster dog relationship36 morePlot summaryAdd synopsis