The era of prosperity and peace came to an end suddenly, but that era also gave the humans a chance for them to develop as species by leaps and bounds at the cost of many sacrifices.

Suddenly, all living beings on Earth got electrocuted when a massive electromagnetic wave crossed the planet, initializing the great filter system. Those who were physically weak passed out and those who were even weaker died at that very same moment. However, that was just the beginning. Even the dead would contribute in order to make the human race stronger, but the contribution would come with a price...

The dead returned to torment the living, even dead animals... portals across the whole planet appeared connecting Earth to unbelievable worlds and bringing their bloodthirsty inhabitants to test the human race survival instincts. While everything was being destroyed at an astounding pace, Cole had one thing in mind, go back home and reunite with his sister, the only family he still had. However, the journey back home won't be easy. Along the way, he will see what the human race can do to survive and what humans are capable of when they were put against the wall...