Now that the whole Warlock Stallion business is over, all Octavia wants is to relax and play the cello. To get it from the postal service, she has to pay a small price. No problem. All she has to do is go to the bank and retrieve her monthly stipend right?
Wait. Whats this? It has already been retrieved?
She did it?!
But she hasn't been to bank since she got to Ponyville!
What in the name of Celestia is going on?!

Link to the first story: Friendship is Magic.