Dora and her cousin Diego learn about a giant tortoise, Lonely Louie, who is lonely because he has never met another tortoise just like him. Dora and Diego travel to the Galapagos Islands to search for another tortoise like Louie. They go through a secret tunnel, use special gloves to protect their hands from cacti, and climb to the top of Turtle Rock…where they find a friend for Louie! They met another tortoise name Leslie. Now, Louie won’t be lonely anymore!