The sun is gone. The world has frozen over. Towering cities glow with power and warmth provided by the finite resource, Sunstone. Jovin, one of the many living a life run by cybernetics finds himself in debt as his body needs Sunstone to survive.

Desperate to save his family, Viktor makes a life changing decision to become a noble mare, but a greater scheme comes to light that could threaten not only her family and the Canterlot nobility, but all of Equestria.