Arthur, David, Simon, Rachel, Gabby, and Harlene been together ever since the incident happened to the whole world. The city was looking abandoned and destroyed, rare to see any survivor out there, and a unknown monster were off their cage and leash.

Harlene were met Arthur first before anyone else, found him at the countryside in his house, then met Simon at one of abandoned building in the city, then David, Rachel, and Gabby who's been hidding in an abandoned school building.

All the 6 been surviving together and became a close friend by the time passed. And make a base on some old abandoned factory around the countryside to avoiding the presence of the monster around. Gathering supplies and weapon to survive throughout the day that would comes.