The second of three story arcs from the writer of Protoype 2 concludes!
Police Detective Conrad Stevens has led his fellow survivors Marcie and Ami out of the Red Zone, but only barely. Now lost in New York Zero’s Yellow Zone, a Petri dish for Blackwatch experimentation, Conrad will have to make his greatest moral compromise yet to get them free of the city and to see his wife again!
— Description from Comic Vine community (comicvine.gamespot.com).