A derailment at Ponyville Engine Sheds means that Locomotion has the day off, so he decides to spend it with Apple Bloom and Sweetie-Belle. While hanging out at Sugarcube Corner, the two fillies tell him the tale of how Fluttershy and Big Macintosh first met, and how the Cutie Mark Crusaders, having nearly ruined everything for the two ponies with the whole Hearts and Hooves day fiasco, tried to make amends for it all...