A fascinating animated film based on the cartoon that everyone loved, tells about the dizzying adventures of the legendary dog and his loyal friends.
One day, a boy named Shaggy meets a homeless puppy who is given a rather strange nickname - Scooby-Doo. This chance meeting is the beginning of not only true friendship, but many amazing events in which the main characters take an active part. With the support of schoolchildren Daphne, Freddie and Velma, friends create a private detective agency, dreaming of helping the city authorities cope with various criminals, and successfully complete the tasks.
Soon there comes a time when brave detectives have to face a real danger. The brave Scooby and his comrades are forced to confront the Sneaky Dick and do everything in their power to prevent him from realizing his cunning plan. The bandit is about to commit a terrible atrocity - to release Cerberus, a terrible ghost dog, and a desperate team, combined with characters from the Hannah-Barbera universe, must at all costs stop the approaching apocalypse.