As Celestia, Luna, and Star Swirl the Bearded investigate the entity that helped create Nightmare Moon, they soon discover that Princess Celestia has not been the only one observing and manipulating events to fulfill their own interests and agendas.

When Princess Luna discovers rumors of a plot against Equestria, she calls upon the Equestrian Security Agency's most skillful agent, Pinkie Pie, to investigate the threat.

When the descendant of an ancient monarch wishes to recover a lost artifact, she knows there's only one mare for the job - Daring Do!

It was time for Twilight Sparkle to fulfill her destiny. Princess Celestia had told her so herself. She remembered Celestia's smile, a strange magic, a blinding light, and then she was falling.

When Twilight Sparkle fails to expose Mi Amore Cadenza and prevent her from marrying Shining Armor, Twilight soon finds herself on a quest to reclaim the ponies she loves.