When Blitzen suddenly announces his retirement, Santa needs to find a replacement. Against all odds, Elliot and his best friend, Hazel, set out to prove that he is the horse for the job. As Elliot and Hazel take on the North Pole reindeer try-outs, Hazel learns that Christmas, as we know it, may be headed for disaster. Meanwhile, back at the farm, a sinister lady threatens the lives of their friends, and Elliot is faced with the biggest decision of his life.