When a hurrendous storm comes and unleashes its fury in Canterlot City, and as she tries to seek refuge of Princess Twilight's castle in Equestria immediately after a power outage, a lightning strike ends up getting Sunset Shimmer catapulted into a completely different dimension of a world she neither has any knowledge of, nor where she is!
As such, her appearance has changed, but does she like it or not? And how will she ever get back again?

With help from new friends she gains, despite hearing names she's never heard of before, along with seven other girls that look and sound very familiar in style, persona and attitude, they promise to help her find her way back home to the world she knows, and to her friends and family.

Little does she know that she, her new friends, and the ones she makes that are identical to her friends at CHS and Equestria, and help from reinforcements, will have to defend themselves in an unexpected war, lead by a Major bringing soldiers to life that haven't been in existence since World War II, and as zombies, nonetheless!