Stranded in Equestria after Anon-A-Miss, Sunset is done with friendship. Unfortunately, the human Twilight's new device pulls not just energy from the portal, but a unicorn as well. Now the two must work together to get Sunset home.
In another dimension, Sunset Shimmer and the Rainbooms are now sending fear and panic to the students of CHS. But maybe three sisters may put an end to that...