Twilight is asked to foal-sit her niece, Flurry Heart while Cadance and Shining Armor attend a conference. Twilight swears as Flurry's aunt to look after her without relying on too much help from her friends, which soon takes it's toll on her.

Things then go from bad to worse when Flurry escapes out the window, now Twilight has to do whatever she can to get that baby back!