Relic Wonder is an archaeologist, his team has been sent to explore the remnants of the Shadow Empire, a.k.a the home of King Sombra. While exploring the kings castle, he finds a diary written by Sombra, the contents leave his mind in turmoil.
While helping Rarity with her diamond hunting an accident places Applejack at death's door. As time runs out Rarity, Rainbow Dash, Applejack, and her family spend one last afternoon together. From tragedy a lesson is learned.
She has an addiction, it's drinking. This time her friends are tired of her drunk acts and want to put a stop to it. How will they do it? Who knows? Who cares? I don't even think Berry Punch does.