[NO ZOMBIES!] A deadly pandemic of H5N1 is ravaging Equestria, killing almost everyone it infects. After hearing word about the outbreak, a worried Rainbow Dash asks to stay at Twilight's house while the pandemic blows over. Then later on in the story Twilight confesses her feeling for Spike, assuming it was the end of everything. However Spike rejects her because he had feelings for Applebloom. Twilight is devastated, but hides it as best as she can.