Harmony, a cryogenically frozen forerunner of the pony race, is found deep within an ancient science lab on the western front of Equestria, Twilight is recruited to investigate the lab, and in doing so deactivates the pod found within, allowing for Harmony to live once more in an all-new world as she struggles to find her way around. Little does Twilight know, the pony she released may just end up being the key to saving one of the most tragic events Equestria will ever see.