10 YouTube stars face the ultimate battle to survive as the zombie apocalypse begins. After being placed into the CONOPS experiment facility, the group must figure out how to survive the next 72 hours without any connection to the outside world. In the first challenge, they must get out of their holding cages to the safe area, but they accidentally leave someone behind. On their way back to the safe area, a zombie ambushes their first victim. The group is paranoid that Rahat's a mole.