In the ravages of war, it's inevitable that jackals of war, called the Scavengers, would murder, torture helpless victims, and ghoulishly hunt and rob the dead. Ironically, it's the Nazis who succeed in capturing them, but then vow to spare their lives if they can capture the Blackhawks!; Aided by a local girl in Austria, The Sniper ambushes a bunch of Gestapo officers in 1940, all of whom he outwits and kills.; The Patrol members, now flying small, snub-nosed, colorfully painted aircraft, lose member Zazzy, who died while rescuing undercover agents. He is quickly replaced by King Hotintot, whose African nation was invaded by the Axis.; Dunn comes across the sunken hull of the S.S. Athenia, and uses the Blue Tracer to push it back to the surface to terrorize the Nazis into releasing their British prisoners.; While on a boat ride, Joan stumbles across a submarine, and then, while investigating a nearby house, discovered it was full of Fifth Columnists where she was ambushed by a brute.