When two 15-year-old girls find a mysterious house concealed under an ancient tree on the Devisdale in Bowdon, they discover that the cellar steps take them back in time to the London of 1665, the year of the Great Plague. It proves to be the first of many visits to the house and to the plague-ridden capital, and they soon find themselves witnesses to the Great Fire of London which followed the Plague a year later. As the girls grow older and explore...