在野原新助的五岁暑假中,东京 witnessed an unprecedented dinosaur frenzy, with a modern-day revival dinosaur theme park opening its gates. Meanwhile, by the riverbank of Springdale Brook, a young boy named White stumbles upon a new friend - Nana. As the Springdale Defense Force and Nana grow closer, they gradually uncover secrets hidden behind the dinosaur park. Suddenly, a colossal dinosaur rampages through the streets! Can they avert this crisis before it's too late? Join White and his friends in an exhilarating adventure, where friendship, courage, and teamwork rule the day!