Its been two years since Spell Nexus was defeated and his cult destroyed, Nyx and Twilight Sparkle have been preparing for another winter. One that is having an odd effect on Nyx.

As the winter draws even closer, Nyx begins to remember a filly, not from her past, but from Lunas. Filled with questions but nopony to answer them, Nyx investigates as to who this white filly of the snow is, and how she is tied to her past.

Can Nyx discover who this filly in her memory is? Or will the answers be buried beneath the snow.