My Grandmother Sends Her Regards and Apologises

To most people. Seven-year-old Elsa's granny is eccentric, if not crazy.
To Elsa, she's a superhero.
One with a superpower like no other: storytelling.

When Granny leaves Elsa a mysterious series of letters apologising to those she has wronged, her stories come to life in ways Elsa could never have imagined, sending her on a breathtaking adventure of her own...