Wrapping up winter after an unusual month long blizzard is nothing less than a time consuming and laborious affair. But with a certain unicorn organizing, things are going well. That is, until a discovery shocks the entire town. A pale white cybernetic pegasus with golden wings frozen solid in the snow.

Neighbors are unsure, Twilight can't find any trace of her in the archives, not even Celestia has any clue as to the mysterious mare's identity. At least, no concrete evidence. But to the solar princess, she seems oddly familiar...