Marking the Generations is a reimagining of the later stages of the Make your Mark series. Follow the adventures of Sunny, Hitch, Izzy, Zipp and Pipp as they make a new friend in Misty and meet two ponies from a past generation.

Twilight Sparkle has always done her best for Equestria. As her reign finally ends, she realises her final decision to safeguard Equestria will have consequences. However, let it not be said that Twilight Sparkle ever left Equestria to its own devices.
Calling on Starlight Glimmer and Sunset Shimmer. She transports them through time to assist the new generation to identify the Elements of Unity and defeat the evil she was unable to alone.

In the final part of this four part series, Equestria is under attack! With Opaline stealing everypony's cutie marks, will her long awaited release from her castle prison comes to pass?
Can our heroes defeat her for good or will it take more than the combined efforts of six individual ponies to do so?
What of Peach Fizz? Will she finally be free of Opaline's control?
Will Sunset Shimmer and Starlight Glimmer return to their time knowing their new friends were triumphant?

All will be revealed within in this conclusion.