![Ang Tanging Ina](https://pinoymovies.si/wp-content/uploads/2019/04/dDW0qpCPAJIwfKdXPGwgVvJhKnj-185x278.jpg)
At the age of 21, Petra will transform into a horse. This is a fulfillment of the curse Silveria, the goddess of horses, put upon Kulas, Petra’s father, after she caught him maltreated a horse. And the curse will only be lifted if Petra will do three heroic deeds.