170 years after the apocalypse, a defiant Pegasus named SwiftHaze yearns to leave her Stable 47 home. Perhaps she can finally find her purpose in this ravaged world. During her adventures, Haze and her friends learn of their links to the past, and grow to appreciate their lineage. Music guides their way.

Meanwhile, a looming threat hangs over the city of Los Pegasus, quite literally. SwiftHaze won't stand to see the ponies of her hometown overrun. She seeks to end the violence, because somebody has to be brave enough to take the first step.