Employing a new fighter interceptor strategy based on concentration and coordination, the Germans are taking a frightening toll on American bomber operations. To add insult to injury, they taunt the frustrated flyboys with radio broadcasts from a sultry British female turncoat who seems to know almost as much about the mission plans as Allied Command. However, Gallagher devises a plan to turn the German strategy against them, but it requires intelligence information that only a deeply infiltrated spy can provide. Success of Gallagher's plan puts the agent at great risk as the Germans scheme to turn the tables once again.
