Four ponies survived the viral outbreak that wiped out the pony race and caused some to come back as mutants that walk the streets at night. But this virus has a dark backstory and everything might not be a it seems.

Rarity and Sweetie Belle have a fight after Sweetie accidentally tears a very important dress Rarity was working on. Sweetie gets so mad she runs away from home into the Everfree Forest. Sweetie ends up getting lost and then realizes she could never stay mad at Rarity. Sweetie goes on a journey through the woods desperately trying to get back home to Rarity.