Frosty, the exciting sequel to Blackjack, continues the adventures of Heather Richardson and her horse Blackjack. In addition, the story introduces a new character, a rare gray Morgan named Frosty. Through Frosty, Heather realizes that not all horses are meant to be show ring superstars. Although disappointed at first, she soon discovers that Frosty's real talent lies in the area of trail riding, and it isn't long before Heather loves this sport. She and Frosty become trail buddies and must learn to trust each other if they are to survive the woods of Vermont...