Shara takes her role as a big sister VERY seriously. So when her mum goes on holiday for a few days, she starts to worry. About her mum, about her little brother Keita, about school, about staying with her granddad for the first time... Just before mum is due to leave, a set of funny, furry friends arrive to try and help. The Worries are back, only this time a new and grown-up worry arrives to keep everything is perfect shape: Reece Sponsable. Bossy, demanding, and a little on edge, Reece Sponsible totally takes over Shara's life. Because it's up to Shara to make sure EVERYONE is okay... right?