The same day Marcie learns that she will have to wait longer for the pony she yearns for, she meets Comet, a magical pony who needs her help to find his twin sister.
Marcie desperately wants a pony of her own, but it doesn't look like that's going to happen. Until she discovers magical pony Comet in her backyard, that is! Marcie and Comet have lots of fun while helping each other.
