Mia is a willful young girl whose life is turned upside-down when her family decides to leave London to manage a lion farm in South Africa. But when a beautiful white lion, Charlie, is born, Mia finds happiness once again and develops a special bond with the cub. As Charlie grows to full size, Mia uncovers an upsetting secret and feels she must protect him. The two friends set out on an incredible journey across the South African savanna in search of a sanctuary where Charlie can live out his life in freedom.