Kara and Fenris are sent to scout out the Crystal Empire, and they discover their rightful place inside a King's Empire.

Able to finally have time to relax, Sapphire Spark, the alicorn ruler of Equestria, accidentally triggers a powerful scroll in the Canterlot archives and finds herself.

Standing against Daybreaker and Nightmare Moon's tyranny, Sapphire Spark, leader of the Harmonic resistance, makes a grave mistake, much to the two Empresses' pleasure and joy.