When her home planet known as Balunia became far too polluted to live on, Plinky's father Krim, took his family to the planet Earth, where they were to live out the rest of their days. While there, they encountered the many bad sides of humanity. They observed that humans too had a tendency to litter, polluting their world. And also, they encountered human greed, in the form of Noah Tall, who kidnapped them in attempt to steal their secret of teleportation.