Maud Pie could easily pass as a background pony - quiet; calm; not one to make a scene. Those who do take note only see her stoic, unreadable appearance. But little does anypony know what lurks under her unassuming exterior....
Warning: Contains a spoiler for Season 9.
Part of an anthology of unrelated stories:
The Secret Life of... Rainbow Dash
The Secret Life of... Big Mac
The Secret Life of... Pinkie Pie
The Secret Life of... Applejack
The Secret Life of... Apple Bloom
The Secret Life of... Discord
The Secret Life of... Scootaloo