Crysta, a light blue pegasus, with the power to manipulate water. It is a special gift, passed down for generations. That's how all the citizens of Reimore are, a special ability coursing through their blood. Their flanks showed the ability, almost like a cutie mark. But the fact that they are born with this, instead of earning it, it disgusted Princess Celestia. The princess of Equestria.

Now, where does this lead for two pegasi?