Derpy has settled well into Equestrain life and her little bundle of joy was about to be born. As she takes a walk in the Everfree, she found two dragons in the forest fighting with the timberwolves. As she walks towards it, she resolve the conflict and found out that the dragons is a Night Fury and Light Fury. After the incident, She and the dragons will go through some trials and and solidify a bond that will make them invisible friends.

Takes place not long after Innoncence has a price and is its direct sequel. Reading it is highly recommended to understand this story.