Silver Tongue, Rain Buster and Moon Rose have to research a statue called 'An Equestrian Sacrifice'. In their search for knowledge, they hear different versions of the story of the gorgon who "created" the statue from three different Princesses. It's up to them to figure out the true story. When they do, they tell their younger siblings who decided to test to see if what they told was right. This leads to serious problems and Equestria faces doom.