What movie is the quiet village breaking into a large number of Germans?

1September, 944, surrounded by Tuscany mountains, a beautiful and unusual legend appeared: four black soldiers of the 92nd division of the American Buffalo Warrior tried to rescue an Italian boy because of the sudden heroism of one of them, but they lost contact with the big army without thinking. Trapped in the enemy's war zone, four people came to a small village in Santa Ana, but they were warmly treated by the villagers. At that time, the widespread racial discrimination in the United States did not ease much because of being in the military. The government even allowed blacks to form an army independently and regarded them as dispensable victims. However, four soldiers who were indifferent to their compatriots because of their skin color found spiritual comfort in a remote village in Italy.