Andy's investigations into his great-grandfather Matt's struggle for survival in the World War One trenches lead him to uncover a mystery - why and how did Matt become friends with a German soldier? A school trip is a chance to find out more...if he can find the money to go. But Andy has struggles of his own in the shape of the Squaddies, a gang of bullies determined to make his life a misery. Can learning about the past and making an unexpected friendship of his own give Andy the courage to face up to them?