To save the future, they have to change the past. Desperate to escape hunters in ancient Rome, Maisie, Danny and Lizzie time-shift to the Great Fire of London. They can't imagine things could get any worse. But they do. With their future lives splintering off in different directions, they have to stop a reckless dare, otherwise no one will ever be safe again. Time's running out and their friends are in danger. Can Maisie navigate...