Paula’s mare gets colic every Christmas, but her owner has no idea why because she has to go away over the holiday. She always comes back to a very sick horse and a huge vet bill. This year Paula doesn’t have to travel. Finally, she can get to the bottom of the mystery! Enlisting the help of a friend, she gets down to some serious detective work. What the two riders discover at the barn is very bizarre and not at all what they expect!