Princess Candace and Shining Armor's force field faltered. Their horns fizzed as they attempted to put it back up. The Crystal Heart had been mysteriously stolen and couldn't be replaced, not even by the powerful magic of all four alicorn princesses. The Crystal Empire had to be evacuated before Sombra and his new, powerful Triple S Army can kill them all. Most of them manage to escape with their lives, but the Triple S Army shows no signs of slowing down.