Derpy Has Drop Her Box Of Mail A Very Special Tool Used By Mail Pony Elite But Since All The Mail Ponys Are On A Break Derpy Is The Only One Left The Box Of Mail Is A Small Box But Can Carry A Massive Amount Of Mails But For Security They Use A Key To Split It To Four But Derpy Dropped Those Pieces Into The Following Locations
Cloudsdale
Manehattan
Dodge Junction
And The Scary EVERFREE FOREST Will Derpy Succeed And Deliver The Mail In Time