There is no one in the world more wonderful than Ava's granny. And Ava needs her help! She must dress as an inspirational figure at school, but who should she choose?

Winifred Atwell...
Mary Seacole...
or maybe Rosa Parks?

Then Granny starts to tell Ava the story of how she first came to England on the Empire Windrush, and Ava realises there is a hero much closer to home...