Three mares.

Impossible odds.

King Sombra has risen from the icy north, bringing his army of slaves to challenge Equestria.

The Sun and Moon call their ponies together, rising up to fight the enemy.

During this war, three unlikely heroes reveal themselves, and they will find something in each other none of them expected.

Yes, there isn't an AU tag. You'll understand later.

Written for the StarMaudTrix Shipping Contest.

Thanks Otter and NEC for helping to proofread and advice!