Ella and Slippy are practicing Pluto Jump Ride when Tilly begs to go too. Ella tells her it’s too dangerous and gives her a practice jump stick before she leaves. Madhu arrives to play and finds Tilly alone. Unaware of Ella’s heeding, Madhu suggests they go to Pluto too! Tilly is thrilled. When they arrive, Tilly avoids being seen but Ella soon discovers her. And she is not happy. Tilly tries to show Ella that she is ready for Pluto but one tiny false move results in a huge problem. Will Pluto ever be the same?

The year is 3021. The place is the Milky Way, where eight-year-old Ella gleefully heads out with her friends on exciting adventures of discovery. At only eight, she already knows quite a bit about space... but there is always more to explore!