The Legion of Superheroes is called to Equestria to protect the daughter of Princess Cadence and Shining Armor from an unexpected assailant.

Princess Luna and Prince Lightning Spark are now happily married until something happens that has the couple ecstatic yet scared to death.

A sequel to The Lunar Princess and The Lightning Prince

It has been a year since Princess Luna returned from her exile, she adjusted to her new world and thought she was prepared for anything until she met a charming prince who swept her off her feet and stole her heart.