The Castilians: A story of the siege of St Andrews Castle

Scotland 1546. Seeking revenge for the burning of a young preacher, a group of lairds take St Andrews Castle by stealth, and murder Cardinal Beaton, the nation's most powerful man.

For a sister and brother - Bethia, living in the town outside the castle, and Will, one of the rebels within - the siege becomes a battle for survival.

As the long siege plays out, Will moves between hunger, fear and boredom; so cold he's burning furniture and books and so hungry he's eating rats. His actions mean ...