One day, while collecting wild vegetables in the Everfree Forest, Fluttershy encounters a strange, sentient flower going by the name of "Flowey," and the two become fast friends. After taking him home with her and letting him get to know her other pals, they begin to suspect that this plant, his cheerful personality, and his ulterior motives might not be all they truly seem, despite Fluttershy's claims on the contrary...