This is an unbelievable tale about a young boy, Billy, and a retired old horse, Murphy, during a dangerous snowstorm.

Billy's younger sister, Addie, has broken her leg falling through some lake ice. Billy, and his father and uncle, must get her to safety as quickly as possible, but where is safety in a blizzard of epic proportions? And what does any of this have to do with the unbelievable Murphy?

Embrace the unbelievable to see how it all begins, and how it all ends.