After the infection starts, everything falls apart. Friends become foes — and even your own family could betray you. Cop Audrey Sterling alongside her partner Sam Spade are one of the only surviving people of the infection. They set on a journey to figure out what caused the infection — while finding out that it was more than just a vial. And with the TSP against them, TIO on their tail, and the infection all over the world — threats are found in every single corner.