The video features a skeleton of a dinosaur, specifically a plesiosaur, which is a large marine reptile with a long neck and a small head. The skeleton is displayed in a museum setting, with the bones illuminated by a blue light that highlights its intricate structure. The video includes text overlays that read "Plesiosaurus extinct?" and "If the Plesiosaurus did not go extinct," suggesting a question about the dinosaur's survival and a hypothetical scenario.