A horse found In the mist

A story about a young girls who has always dreamed of owning her own horse and on day as she walks to school and she discovers a herd of wild mustangs. Anna Kelly a young girl has now grown a tight bond and incredible friendship with the horse she has called dusk will Anna's mum let her go through with the wild idea of keeping this creature? Will Anna change her ways when she is compelled by the love of her life at school? Or will she continue to put live her dream?