Trixie Lulamoon's on the run. She's damaged Ponyville twice. She's made some ponies pay for new belongings. Trixie is wise enough to know that no pony will accept her into their house, fearing that she'll set it on fire within seconds. But Twilight Sparkle finds Trixie when she travels to Canterlot, and allows the starving unicorn to stay in the library. Trixie tries to stay out of Twilight's way, but she soon discovers that she's falling for the bookworm's sparkling eyes...