It is the year 1195. Roger and Alice have lost their father to the Crusades, and now their mother is terribly ill. They set off in search of their mother's long-lost brother, who is a powerful baron and might help them. But on the way, they are kidnapped by two highwaymen and locked in an ancient tower. Time is running out. Can Roger and Alice escape in time to find their uncle - and save their mother's life?