Having a mare flee in terror wasn't the response Spike hoped when he was trying to say hello. The reason behind her fear, however, was far more upsetting and opened up old wounds.
After braving the darkest caves, Starlight Glimmer ends up in Canterlot and stops at a cafe. Everything seems to be looking up until a familiar face shows up. And to make matters worse, another pony she dreads to encounter appears.