Committed to protecting Earth in Plymouth, MN, his corner of the world, Clinton organizes a Kids for Saving Earth meeting in his treehouse. What happened? He's confused! Suddenly he is talking with Joe Penguin and walking through a door in his backyard "old tree." He can't believe it. He was waiting for the kids to arrive and now he finds himself going deep underground led by a very tall penguin who calls himself an Eco-Detective. Karina and his best friend Taya also find the door in the tree and enter searching for Clinton. Exciting and sometimes frightening adventures develop as they all work to stop Stretch with the evil Tree Pirates from destroying the Tree of Life. They meet and work with Mother Nature, King Neptune and more to find a way to protect Earth.