A once peaceful world's population is almost driven to the brink of extinction when Satan takes over the world, along with minions. Sawyer, a 16 year old boy who loves the day, and his deff 8 year old sister, Marie, will have to try and survive their new demon infested world. They will gain and loose friends and family. Hiding in a dark, cold mountain will be the only chance of surviving. The mountain they are brought to is called "RockHold", a place where survivors will come together and save the world. But will their efforts be any good? Or will their act of bravery be the end of the mankind?