When 12-year-old Georgie makes friends with an eccentric retired scientist, she becomes the test-subject for a thrilling new experiment: a virtual reality, 3D version of the future. Then a deadly virus threatens to wipe out every dog in the country, and Georgie's beloved dog Mr Mash gets sick. As the world is thrown into chaos, Georgie embarks on a desperate quest. An extraordinary quest with the biggest stakes of all.