After weeks of research and planning, Twilight invites her friends and the Princesses to see her newly created spell in action. Things don't quite go as she hopes, though, and the misfire sets off a chain reaction.

The next day, Ponyville's entire female population is found to have been dragonized! Twilight promises to find the cause and a cure, asking them to try and act normally.

The only trouble is...nopony knows how female dragons react when there's only one male around.
But they're gonna learn soon.

Note: Spike, the CMC and other characters are aged up for safety reasons