Since the turmoil of Jurassic World, a wide variety of dinosaurs have spent three years unfettered on Isla Nublar. However, the island is volcanically active and is in danger of erupting at any time. Claire Denning (Bryce Dallas Howard), who is dedicated to dinosaur protection, is invited by Benjamin Lockwood. Benjamin and his subordinate Eli Mills (Rafe Spall) hope that she and relevant technicians will go to Isla Nublar to save the dinosaurs there and place them in a new habitat. The infected Claire manages to get Owen (Chris Pratt) to go with her, and Owen hopes to rescue the velociraptor Blue, which he has trained himself. When they set foot on this isolated island, they find that things are not that simple. The volcano is ready to erupt at any time, and the ugly conspiracy is quietly brewing in the chaos...