Wahrheit' opens amidst the fallout of a firefight in a small riverside town in Heidelberg, Germany (1944). A U.S. soldier (Adam) is fatally wounded and collapses into an abandoned house trying to find safety. Later that day; Adam wakes up to find James, a fellow ally soldier hiding out in the house, helping nurse him to health. Outside German forces having taken hold of the town and captured the survivors from Adam's squadron as POW's.