The fourth book in the beloved, bestselling Redwall saga - soon to be a major Netflix movie!

The mousemaid Mariel is washed up on the shores of Mossflower country, half-drowned, battered and bruised but alive! She has no idea of her identity but her incredible story of badger lords, fighting hares and Gabool, the Wild Warlord of the Waters, gradually unfolds and helps Redwall Abbey in its latest battle against evil sea rats . . .