When a new pony arrives in Ponyville wearing tight jeans that hides her cutie mark, Applejack becomes suspicious and asks her friend, Twilight to investigate. Twilight, finding out she's currently homeless agrees to bring her into the library to house her. She swears to Applejack that this new mare is harmless, but Applejack still feels skeptical about the situation. The new mare offers to show her cutie mark only to Twilight, but when Spike almost sees this, she panics and insists on showing Twilight the mark another time. What's she hiding, and can she really be trusted?

*Written before I actually knew what I was doing.