Richard Warren, aged ten, is growing up in the North Yorkshire village of Ledder Bridge. Through verdant fields and meandering brooks, life is simple and easy, far from the turmoil of the Cold War world. When an adventure with his older brother Peter Warren goes wrong and Richard finds himself trapped in the dark depths of an abandoned quarry, it kick-starts a chain of events that brings him into contact with work, family conflict, and the dreaded English class system. Will Richard be able to persevere and become wise well beyond his tender years?