When twins, Caddy and Cody Phillips help their elderly neighbor, Mr. Tennessee, prepare for his move into a retirement home, they discover a dying bonsai tree in his attic. There’s something strange about this miniature tree because when it begins to thrive, so does Mr. Tennessee. Now, Mr. Tennessee is breaking out of the retirement home and causing trouble in town. If only there was a way to control the bonsai’s gift of eternal youth...