A human strikes a deal with the man who speaks in hands and is sent to the human world of MLP as a monster. Apparently he's not the first ever monster there, nor the first person to take Gaster's deal.
Starlight has become too powerful for even Clockwork to stop, and has completely destroyed her previous timeline. The only way to beat her is to defeat the Starlight from the new timeline, with the help of Danny and Vlad from the current timeline.
