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On the eve of WWII, three former freedom fighters arrive in Germany to do the unthinkable: kill an SS officer.

American idealists Billy Lachance and Lum Del Luca join forces with German socialist Josef Weiss and plunge deep into the greater Reich. With single-minded determination, they search for Rolf von Huber to repay him for violating the laws of war during the Spanish Civil War.

Escaping the killing fields of Spain, the three make their way across the treacherous Pyrenees Mountains, careful to avoid fascist patrols. Capture means an instant firing squad. France offers no comfort either. If army patrols seize them, they'll land in an open-air concentration camp, where pneumonia awaits.

With help, the three evade capture while carrying sacks of Spanish gold coins taken from looters. They succeed in swapping the coins for hard cash, which is deposited in a Swiss bank. Billy, Lum, and Josef board a train that takes them to Cottbus, on the border with Poland.

Blissfully unaware of what awaits him, Rolf now wears his black Hugo Boss SS uniform, busy with the problem of resettling all Untermensch once Panzer tanks crash into Poland.

From the blood baths of Spain to a nerve-wracking trip across the heart of darkness, Impacting History brims with the atmospheric tension of men at their best and worst.