Diamond Ryugu wants Dino Ramph's power, but only after the Dino Knights are slain. She summons a powerful Dragozaur named Dark Dragon and sends him to destroy the Dino Knights. Kaito and Rena are trying to find Dino Ramph before Ryugu does, and Rick tells them that a birdlike creature has been sighted, but it is a trap by Dark Dragon. Will the Dino Knights overcome Dark Dragon?.