The dark secret of the Royal Family is rarely mentioned outside of the hushed discussions that take place within Canterlot Palace. Even the Princesses are oblivious to the withheld information. Only one pony, a noble pegasus, stumbles upon this dark secret by accident. When he attempts to share the truth with Equestria, things go from bad to worse. But to what lengths will Equestria and the Princesses do to protect themselves?
(description really cheers to sierra_seven_ for helping me out here)

Thanks to Deep Pond for prereading and help and the TWE members for giving me courage to continute this.
Thanks guys!