The story begins as the peaceful ponies of Dream Valley are attacked by monsters, led by Scorpan, who kidnap several ponies and take them away to Midnight Castle. Enraged, Firefly, a Pegasus pony, takes to the skies to try to find someone who can help them defeat Tirek, a centaur-like demon whose plan is to use these ponies to pull his chariot of darkness. On her way, she crashes into 12-year-old Megan's well and asks her for her help. Megan is at first reluctant to go but after being confronted...