Misty, Daughter of Spirit and Rain

Spirit and Rain have a daughter! Misty is ready to be the new lead mare, but she needs a stallion to mate with or she can't be the lead mare. As she is looking at the stallion her dad likes a wild fire arise. Misty, Rain, West Wind, and a few young mothers are separated from the herd. Misty has to lead for Rain is taken ill. Will Misty save the mares, her mom, and the mischievous young stallion, West Wind?