In the year 2020, Twilight Sparkle has discovered that the newly emerging Coronavirus vaccine will kill all life on Earth and doom humanity to Hell forever. It is too late to stop it in the present, only by going back in time to the past will she be able to develop a nonlethal vaccine and save humanity. Will she succeed?

Luckily for her, she’s been given a time machine from her future self, but in order to prevent a paradox, she needs to go back in time and create it in the first place. How will Twilight develop time travel all the way back in the year 1975? And will humanity be able to be saved? Find out!!!