Young wildcats, Asta and Ash, find themselves captured and taken from their home in the forest to an apothecary's shop in the heart of London in the summer of 1666, when fear and superstition are rife. Asta's determination to escape London and return to the wild takes her on a perilous race against time to foil a dangerous plot that threatens the city and her brother, Ash, as the flames take hold.

Asta and Ash will take you on an inspiring journey around London during the most infamous fire in British history.