All Daniel Harris wants is a pet. One night, Daniel sees a falling star and wishes for the coolest pet he can imagine. That night, he is shocked to discover a baby elephant in his backyard, but Daniels' father has the elephant taken to the local zoo. Daniel sadly watches Lumpy get sicker and sicker in the confines of the zoo until he makes an incredible discovery about his elephant. It is then, Daniel and his friend Gilbert Goldberg, a nerdy class genius; decide to plan a dangerous rescue before Lumpy is shipped off to the San Diego zoo.