When Joe Higgins realizes there's a mole in the FBI, he finds him and gets him to talk. Upon discovering that the much sought-after 42642 map is in Boroff's possession, it's up to the FBI and The Shield to locate it and save Professor Newton. But what happens if the map ends up in DELTA-3's possession? Will the Professor be saved? The battle between The Shield and DELTA-3 rages on in this epic issue!