Apple Bloom didn't learn her lesson last Hearts and Hooves day and after a sad tale of Granny Smiths youth, she takes it upon herself to make a new potion to help her lift her spirits. Knowing how much trouble they got into last time, the other two Cutie Mark Crusaders try to convince her to get rid of the potion, before something terrible happens to them, once again.

What came next? Well, it will be a Hearts and Hooves day they will never forget...