Part I: The Beginning

"The world has come to an end."

Cassidy was a normal teenage girl who loved hanging out with her friends and going out to parties. Her life was great, she couldn't complain about a thing.

Then the power went out.

Cassidy seeks for survival with her younger sister, Sophia, in the city that has been taken over by an army of Rippers.

What are Rippers? You'll just have to find out.