A young alicorn named Imperial Crest, who's living in Canterlot finds out that his home country is being invaded. With time ticking, he and his friend journeyed to the other world to find help, during their visit they found a way to save his home.

This takes place after the 'Prince of Harmony' Arc. When Equerstria has recovered from the war.

After the 2 Great wars, Equestria is in a brink of recovery, but when an old enemy has arrived, it is up to Imperial Crest and his friends to stop this old threat and save Equestria