Aurora Shimmer. A unicorn, traveling show mare. But, she is far from normal. Her eyes are two different colors. One a dark purple, the other a crimson red. She explains it as a old spell, gone awry. But, that is not the truth. Really, the spell worked. But, not in the way she thought. Her sister, Windy Dawn, was struck by a vicious bolt of lighting, and all she wanted to do was to save her. and she did, but at the cost of binding Windys soul to hers. now, she searches for a way to get her sister her own body again.

But a Shadow, a danger unbeknownst to them, lurks in the darkness. Waiting for it's time to step into the light and bring terror upon the land, prepared to strike down all who dare to stop it.