How do you fly 63 thoroughbred horses, not to mention an elephant and a couple of giraffes, from one side of the world to the other? What happens when they get 'shipping fever' or if a stallion tries to jump out at 35,000ft? Irish veterinary surgeon Desmond Leadon travels with the flying horses; if these valuable passengers are to get from London to Sydney unscathed, it will need all his skill and foresight.