The frail brown filly foal was orphaned. Her mother died soon after they were stolen from the Iron Grey by Winganna, stallion of the tribe. So Moon Filly grew up with Wurring, shared his mother's milk, and an intense loyalty sprung up between the two young horses. A loyalty that was tested when Iron Grey returned to avenge the theft of Moon Filly's mother... Then there was danger and escape. Another brilliant tale for horse lovers of all ages, by the author of the Silver Brumby series.